What is the difference between a pipe adapter and a bushing?

An adapter connects two components with different connection styles or configurations. A bushing generally changes the size or opening of a connection, often reducing it so a smaller fitting can be used.

Which GROCO fitting should I choose for a straight hose connection?

Choose from the GROCO PTH series based on the NPT pipe size and hose inside diameter. The listings include sizes from 1/2 inch through 2 inches, so confirm both measurements before selecting a product.

When is a 90-degree adapter useful?

A 90-degree adapter is useful when the hose or pipe must turn around an obstacle or enter equipment from the side. The reference data includes several 90-degree GROCO, Perko, and glass adapter options.

Are all adapters suitable for plumbing systems?

No. Some listed products are made for marine equipment, aquariums, garden tools, raceways, medical equipment, or glass water pipes. Always use an adapter only for the application and connection specifications stated for that product.

How can I compare pipe adapters on ZoneOffer?

Start by checking the product title, size, connection type, material, shape, and listed price. ZoneOffer is a comparison site, so review the relevant retailer’s product information before completing a purchase.

Premium Pipe Adapters & Bushings Deals

Pipe Adapters & Bushings	Price
Teleflex Multi Adapter Standard 15mm Id 22mm Od Connections	$0.95
Teleflex Pressure Line Adapter 22mm Od X 22mm Id Connections	$1.06
Airlife Connector 15 Mm Id X 22 Mm Id	$1.28
Elbow Adapter	$1.46
Ag Industries Pressure Line Adapter 22 Mm	$1.75
Mdi Adapter - 15mm	$3.10
O2 Enrichment Pressure Line Adapter	$3.83
Visi-flow Natura Irrigation Adapter Faceplate 2-3 4	$13.41
Ooze Verge Water Pipe Adapter	$14.00
Perko 0063dp5plb 3 4 Inch Pipe To Hose Adapter 90 Degree Bronze	$19.12

Premium Pipe Adapters & Bushings Deals — US Savings

Pipe adapters and bushings may be small, but they often solve the biggest connection problems in a plumbing, marine, aquarium, garden, or equipment project. When two fittings do not match, an adapter acts like a translator between them. A bushing, meanwhile, helps reduce or alter a connection so the rest of the system can fit together more neatly.

This guide explores the pipe adapters and bushings listed in the reference data, including bronze pipe-to-hose fittings, threaded adapters, bulkheads, reducers, elbow fittings, and specialty connection pieces. You will also find practical buying tips to help you compare size, shape, material, and intended use before choosing a fitting.

What Are Pipe Adapters and Bushings?

A pipe adapter connects components with different connection styles, such as a threaded pipe and a hose. Some adapters join male and female threads, while others connect pipe fittings to flexible tubing or equipment ports. The goal is simple: create a compatible path without replacing the entire system.

A bushing typically changes the size or configuration of a connection. Think of it as a bridge that helps a larger opening accept a smaller fitting. The reference data includes an AP Products nylon bushing designed for a spring application, as well as an ICC reducer intended for raceway systems.

Although these products share the broad “adapter and bushing” category, they are not interchangeable. A marine bronze fitting, a medical equipment adapter, and a glass water-pipe adapter serve very different purposes. Always match the fitting to the equipment and connection specification.

Pipe-to-Hose Fittings for Marine and Utility Projects

One of the largest groups in the listings is the GROCO range of bronze pipe-to-hose fittings. These fittings are available in straight and angled designs, giving you flexibility when routing a hose or working in a tight space.

GROCO Straight Fittings

The GROCO PTH series includes several straight bronze options. The GROCO PTH-500 connects a 1/2-inch NPT pipe connection to a 1/2-inch inside-diameter hose and is listed at $7.12. The GROCO PTH-5062 supports a 1/2-inch NPT connection with either a 1/2-inch or 5/8-inch inside-diameter hose and is listed at $8.12.

For larger connections, the range includes the GROCO PTH-750 at $8.12, the PTH-1000 at $12.12, the PTH-1125 at $19.12, and the PTH-1250 at $19.12. The PTH-1500 is listed at $24.12, while the PTH-2000 supports a 2-inch NPT connection to a 2-inch inside-diameter hose and is listed at $31.12.

There is also a stainless steel alternative: the GROCO PTH-1500-S, which connects a 1-1/2-inch NPT fitting to a 1-1/2-inch inside-diameter hose. It is listed at $26.12. Comparing it with the bronze PTH-1500, listed at $24.12, can help you decide whether the stainless steel construction suits your project better.

Angled Pipe-to-Hose Options

When a hose needs to turn rather than run in a straight line, an elbow adapter can make installation cleaner. The GROCO PTHC-5062 is a 90-degree bronze fitting for a 1/2-inch NPT pipe connection and a hose with a 1/2-inch to 5/8-inch inside diameter. It is listed at $11.12.

The GROCO PTHC-750 is a standard-flow 90-degree bronze elbow for a 3/4-inch NPT connection and a 3/4-inch inside-diameter hose, with a listed price of $12.12. For larger installations, the GROCO PTHD series includes 45-degree fittings from 3/4 inch through 2 inches. Listed prices range from $14.12 for the 3/4-inch version to $47.12 for the 2-inch version.

The full-flow GROCO FFC series provides another angled option. Listings include the FFC-500 at $15.12, FFC-750 at $19.12, FFC-1250 at $45.12, and FFC-1500 at $58.12. Since the connection sizes differ across the series, check both the NPT size and hose inside diameter before ordering.

Bronze, Stainless Steel, Nylon, and Other Materials

Material matters because the fitting becomes part of the working system. Bronze appears throughout the GROCO and Perko marine-style listings. The available products include the Perko 0076DP8PLB 1-1/2-inch straight bronze pipe-to-hose adapter at $32.12 and the Perko 0063DP5PLB 3/4-inch 90-degree bronze pipe-to-hose adapter at $19.12.

Bronze fittings can be a useful choice when the product specification calls for that material, particularly in marine-related applications. However, the correct selection depends on the full system, including the pipe material, fluid, pressure requirements, and installation environment.

The GROCO PTH-1500-S provides a stainless steel option in the reference data. Stainless steel and bronze should not be treated as automatic substitutes; they have different properties and may be specified for different installation conditions.

For other uses, the listings include a Lifegard Aquatics double-threaded bulkhead at $9.13, Danner female pipe-threaded-to-barbed fittings in 3/4-inch and 1-inch sizes at $13.72 each, and an AP Products nylon bushing listed at $10.12. These examples show why “best material” is not a one-size-fits-all decision.

Threaded Adapters, Flange Adapters, and Reducers

Thread style is one of the most important details to verify. A fitting can look close enough to work but still fail to seal if the thread type or size is wrong. The reference data includes several products designed to change or extend threaded connections.

NPT and NPS Flange Adapters

The GROCO IBVF-750 is a 3/4-inch bronze NPS-to-NPT flange adapter listed at $47.12. The GROCO IBVF-1500 is a 1-1/2-inch bronze NPS-to-NPT flange adapter listed at $74.12. These products are intended for a specific thread and flange conversion, so they should be selected only when those connection standards match your system.

The Maretron TA-5H-1.5NPT is a 1-1/2-inch NPT displacement hull tank adapter. It is listed at $74.12 and may be relevant when a tank connection requires a dedicated hull adapter. As with any tank fitting, confirm the exact product specification and installation requirements before beginning work.

Reducers and Raceway Accessories

The ICC ICRW13ROIV reducer is listed as a 10-pack in the product title, with a listed price of $18.12. It reduces a 1-3/4-inch raceway to a 1-1/4-inch raceway, uses an ivory vinyl construction, and is described as having adhesive backing. The listing also identifies it for raceway applications involving cable types such as Cat 5e, Cat 6, voice, and fiber cable.

This item is different from a water or fuel pipe reducer. It belongs to a raceway system, so it should not be substituted for a plumbing fitting simply because the dimensions appear similar. Application is just as important as size.

Adapters for Aquarium, Garden, and Farm Equipment

Adapters are useful beyond conventional plumbing. The reference data includes several fittings for water-handling, aquarium, garden, and farm-related equipment.

The Lee’s Aquarium & Pet Products Ultimate Faucet Adapter Metal is listed at $10.46. Its description identifies it as a replacement part for the Ultimate Gravel Vac Kit and says it connects the super pump to most sink faucets. This could be helpful when aquarium maintenance requires a faucet connection.

The Lifegard Aquatics double-threaded bulkhead is listed at $9.13 and described as a 1/2-inch product. A bulkhead can help create a structured pass-through connection in a tank or related setup, but you should confirm the opening size and thread requirements of the installation.

For garden equipment, the Rule 68 replacement garden hose adapter is listed at $11.12. The Miller Manufacturing Co. Farm Tap Adaptor Tap is listed at $28.05. These products are designed for different equipment categories, so the correct choice depends on the tap, hose, and device involved.

Specialty Adapters for Equipment Connections

Some listings are not conventional household plumbing parts, yet they still perform the same basic job: connecting components that use different interfaces.

The Alldiabetic listings include several compact adapters and valves. The MDI adapter is designed for 15-millimeter tubing, which is approximately 0.59 inch, and is listed at $3.10. The listing shows a regular price of $4.42. It is described as latex-free and suitable for most standard MDI canisters.

Other listed products include a standard elbow adapter for tubing with an inside and outside diameter of approximately 0.87 inch, priced at $0.91; a Teleflex one-way valve for similar tubing dimensions, priced at $1.92; and a Teleflex pressure line adapter listed at $1.06. The ported elbow adapter is listed at $0.70 and is described as accepting most temperature probes.

The same group includes a replacement ventilator filter for the HT50 at $2.71 and an Esprit ventilator inspiratory filter at $5.87. These are specialty medical equipment components rather than general plumbing fittings. Use them only with the equipment and specifications identified by the manufacturer.

Glass Water-Pipe Adapters and Size Conversions

The reference data also contains several glass adapters for water pipes and related accessories. These products are designed around joint sizes and male or female connections, making compatibility especially important.

The Male to Male Glass Adapter is listed at $9.99 and is available in 10-millimeter, 14-millimeter, and 18-millimeter sizes, equivalent to approximately 0.39 inch, 0.55 inch, and 0.71 inch. Its purpose is to turn a female joint into a male joint for compatible accessories.

The Step Up 90 Male to Male Adapter is listed at $12.99. Its description explains that it uses two male jointed sides and can change the connection arrangement, with size choices that include 14-millimeter and 18-millimeter options. This 90-degree design may help when both connection compatibility and direction matter.

The 10-millimeter Female to 14-millimeter Male Adapter is listed at $7.99. It is intended to change a smaller setup to accept a larger compatible female bowl or nail. Before choosing any glass adapter, measure the existing joint and identify whether it is male or female.

The Boundless Water Pipe Adapter is listed at $25.00. Its three-piece design is described as compatible with 10-millimeter, 14.5-millimeter, and 18.8-millimeter pipes, or approximately 0.39 inch, 0.57 inch, and 0.74 inch. The listing also describes a replaceable threaded filter intended to help prevent herb residue from entering the water pipe.

How to Choose the Right Pipe Adapter

Start With the Connection Type

First, identify whether you need threaded, barbed, flanged, push-fit, hose, or specialty equipment connections. A female pipe-threaded-to-barbed fitting, such as the Danner options, is not the same as a straight NPT-to-hose fitting. Write down what each side of the connection requires before comparing products.

Confirm Every Measurement

Do not rely on a quick visual match. Check the nominal pipe size, thread standard, hose inside diameter, and male or female configuration. For example, the GROCO range includes several products with similar names but different sizes. Choosing a 1-inch fitting instead of a 3/4-inch fitting can stop an otherwise suitable installation from working.

Choose Straight or Angled Geometry

A straight adapter is usually the simplest route, while a 45-degree or 90-degree elbow can redirect a hose around an obstacle. Imagine the connection as a road: a straight fitting continues forward, while an elbow creates a controlled turn. Select the shape that reduces strain and keeps the hose or pipe properly aligned.

Match the Material to the Application

Bronze, stainless steel, nylon, metal, glass, and vinyl each appear in the reference listings. Material selection should follow the equipment specification and intended environment. A bronze marine fitting, nylon bushing, raceway reducer, and glass adapter each belong to different product categories, even though all can be described as adapters or connection accessories.

Comparing Listed Prices and Product Types

The reference data covers a broad price range. Smaller specialty adapters include the ported elbow adapter at $0.70, the standard elbow adapter at $0.91, and the pressure line adapter at $1.06. These lower-priced components may suit narrowly defined equipment connections.

Mid-range choices include the Lifegard Aquatics bulkhead at $9.13, the Male to Male Glass Adapter at $9.99, the GROCO PTH-500 at $7.12, and the Rule garden hose adapter at $11.12. Larger or more specialized fittings rise in price, including the GROCO FFC-1500 at $58.12 and the GROCO IBVF-1500 at $74.12.

Price alone does not identify the best fitting. A $7.12 straight adapter may be ideal for one hose connection, while a more expensive flange adapter may be necessary for a completely different system. Compare the specification first, then compare the listed price among compatible options.

Shop Smarter With ZoneOffer Comparisons

ZoneOffer is a comparison site that helps you review products and listed prices from different retailers. It is not a store, so product details, pricing, and purchasing information should be checked on the relevant retailer’s listing before making a decision.

When comparing adapters, use the product title as a starting point, then read the description for connection sizes, material, shape, and intended use. Duplicate or similar-looking listings may appear in a category, such as the repeated Male to Male Glass Adapter and Step Up 90 Male to Male Adapter entries. Comparing the actual specifications helps you avoid choosing a fitting based on the title alone.

Final Buying Checklist

Before selecting a pipe adapter or bushing, confirm five essentials: the connection type, the exact size, the material, the shape, and the intended application. Then compare the listed products that meet all five requirements.

For a marine hose connection, review the GROCO, Perko, Maretron, and related marine-style fittings. For aquarium or garden work, consider the Lifegard Aquatics, Lee’s Aquarium & Pet Products, Rule, or Miller Manufacturing Co. listings. For specialty equipment, stay with the adapter designed for that equipment rather than improvising with a general plumbing part.

In conclusion, the right adapter can turn a frustrating mismatch into a clean, functional connection. From compact tubing adapters and glass joint converters to bronze marine elbows and NPT-to-hose fittings, the reference data offers options for many different projects. Measure carefully, match the connection standard, and use ZoneOffer to compare suitable products and listed prices before you buy.

Pipe Adapters & Bushings

Pipe Adapters & Bushings	Price
Teleflex Multi Adapter Standard 15mm Id 22mm Od Connections	$0.95
Teleflex Pressure Line Adapter 22mm Od X 22mm Id Connections	$1.06
Airlife Connector 15 Mm Id X 22 Mm Id	$1.28
Elbow Adapter	$1.46
Ag Industries Pressure Line Adapter 22 Mm	$1.75
Mdi Adapter - 15mm	$3.10
O2 Enrichment Pressure Line Adapter	$3.83
Visi-flow Natura Irrigation Adapter Faceplate 2-3 4	$13.41
Ooze Verge Water Pipe Adapter	$14.00
Perko 0063dp5plb 3 4 Inch Pipe To Hose Adapter 90 Degree Bronze	$19.12

Premium Pipe Adapters & Bushings Deals — US Savings

What Are Pipe Adapters and Bushings?

Pipe-to-Hose Fittings for Marine and Utility Projects

GROCO Straight Fittings

Angled Pipe-to-Hose Options

Bronze, Stainless Steel, Nylon, and Other Materials

Threaded Adapters, Flange Adapters, and Reducers

NPT and NPS Flange Adapters

Reducers and Raceway Accessories

Adapters for Aquarium, Garden, and Farm Equipment

Adapters are useful beyond conventional plumbing. The reference data includes several fittings for water-handling, aquarium, garden, and farm-related equipment.

Specialty Adapters for Equipment Connections

Some listings are not conventional household plumbing parts, yet they still perform the same basic job: connecting components that use different interfaces.

Pipe Adapters & Bushings

Airlife Connector 15 Mm Id X 22 Mm Id

Boundless Water Pipe Adapter

Airlife Connector 15 Mm Id X 22 Mm Id - 5923-504

Teleflex Multi Adapter Standard 15mm Id 22mm Od Connections

O2 Enrichment Pressure Line Adapter

Elbow Adapter

Perko 0063dp8plb 1-1 2 Inch Pipe To Hose Adapter 90 Degree Bronze

Perko 0076dp6plb 1 Inch Pipe To Hose Adapter Straight Bronze

Sleek And Simple Male To Male Adapter

Miller Manufacturing Co - Farm Tap Adaptor Tap

Lee's Aquarium & Pet Products - Lee's Aquarium & Pet Products The Ultimate Faucet Adapter Metal

Danner - Danner Female Pipe Threaded X Barbed Fitting

Danner - Female Pipe Threaded X Barbed Fitting Gray

Lifegard Aquatics - Lifegard Aquatics Double Threaded Bulkhead

Vyaire - Tee Adapter 002060

Vyaire - Straight Adapter

Sleek And Simple 18.8mm To 14.5mm Showerhead Downstem

Mdi Adapter - 15mm

Visi-flow Natura Irrigation Adapter Faceplate 2-3 4

Ported Elbow Adaptor - Standard

Teleflex Pressure Line Adapter 22mm Od X 22mm Id Connections

Ag Industries Pressure Line Adapter 22 Mm

Perko 0063dp5plb 3 4 Inch Pipe To Hose Adapter 90 Degree Bronze

Perko 0063dp6plb 1 Inch Pipe To Hose Adapter 90 Degree Bronze

Perko 0063dp7plb 1-1 4 Inch Pipe To Hose Adapter 90 Degree Bronze

Perko 0076dp5plb 3 4 Inch Pipe To Hose Adapter Straight Bronze

Perko 0076dp7plb 1-1 4 Inch Pipe To Hose Adapter Straight Bronze

Ap Products 014-127467 Eq-356w Nylonbushing For 6-1 8 In Wide Spring With Nylon Bushing 9 16 In Hole Diameter X 2-1 2 In

Icc Icrw13roiv Reducer - 1 3 4in To 1 1 4in

Shurhold 102ch Shur-lok 10 Inch Curved Adapter

Scotty 266 Float Tube Adapter For 241 Side & Deck Mount

Perko 0076dp8plb 1-1 2 Pipe To Hose Adapter Straight Bronze

Shurflo 94-181-03 Straight Fitting Port Adapter - 1 2 Inch-14 Npt F X 3 4 Inchbarb

Raritan 1222aw 90 Discharge Adapter With Flange - Straight To 90

Raritan 1222b Straight Discharge Adapter - 90 To Straight

Rule 68 Replacement Garden Hose Adapter

Jabsco 31911-0002 Flush Mount Hose Adapter

Maretron Ta-5h-1.5npt 1.5 Inch Npt Displacement Hull Tank Adapter

Groco Ff-750 3 4 Inch Npt X 1 Inch Bronze Full Flow Pipe To Hose Straight Fitting

Groco Ff-500 1 2 Inch Npt X 3 4 Inch Bronze Full Flow Pipe To Hose Straight Fitting

Pipe Adapters & Bushings price list

Questions and answers about Pipe Adapters & Bushings

What is the difference between a pipe adapter and a bushing?

An adapter connects two components with different connection styles or configurations. A bushing generally changes the size or opening of a connection, often reducing it so a smaller fitting can be used.

Which GROCO fitting should I choose for a straight hose connection?

Choose from the GROCO PTH series based on the NPT pipe size and hose inside diameter. The listings include sizes from 1/2 inch through 2 inches, so confirm both measurements before selecting a product.

When is a 90-degree adapter useful?

A 90-degree adapter is useful when the hose or pipe must turn around an obstacle or enter equipment from the side. The reference data includes several 90-degree GROCO, Perko, and glass adapter options.

Are all adapters suitable for plumbing systems?

No. Some listed products are made for marine equipment, aquariums, garden tools, raceways, medical equipment, or glass water pipes. Always use an adapter only for the application and connection specifications stated for that product.

How can I compare pipe adapters on ZoneOffer?

Start by checking the product title, size, connection type, material, shape, and listed price. ZoneOffer is a comparison site, so review the relevant retailer’s product information before completing a purchase.

Premium Pipe Adapters & Bushings Deals — US Savings

What Are Pipe Adapters and Bushings?

Pipe-to-Hose Fittings for Marine and Utility Projects

GROCO Straight Fittings

Angled Pipe-to-Hose Options

Bronze, Stainless Steel, Nylon, and Other Materials

Threaded Adapters, Flange Adapters, and Reducers

NPT and NPS Flange Adapters

Reducers and Raceway Accessories

Adapters for Aquarium, Garden, and Farm Equipment

Specialty Adapters for Equipment Connections

Glass Water-Pipe Adapters and Size Conversions

How to Choose the Right Pipe Adapter

Start With the Connection Type

Confirm Every Measurement

Choose Straight or Angled Geometry

Match the Material to the Application

Comparing Listed Prices and Product Types

Shop Smarter With ZoneOffer Comparisons

Final Buying Checklist

Pipe Adapters & Bushings price list

Questions and answers about Pipe Adapters & Bushings

What is the difference between a pipe adapter and a bushing?

An adapter connects two components with different connection styles or configurations. A bushing generally changes the size or opening of a connection, often reducing it so a smaller fitting can be used.

Which GROCO fitting should I choose for a straight hose connection?

Choose from the GROCO PTH series based on the NPT pipe size and hose inside diameter. The listings include sizes from 1/2 inch through 2 inches, so confirm both measurements before selecting a product.

When is a 90-degree adapter useful?