Roof vent hood exhaust airflow 0.100 In sp 17 103 cfm hood height 25 in hood length 96 in hood width 96 in cutout length 57 1 2 in cutout width 57 1 2 in housing material steel assembly unassembled compatible curb grainger part number 3c216 3flt6 compatible damper grainger part number 5nkn7 mount type roof curb number of filters 0
