Flanged straight register boot

Use in floors, walls, or ceiling for round pipe connection to square or rectangular registers and grills.
Part # Item Name Box Qty
017-0012 10 x 4 - 4 Flange Straight Back Register Boot 12
017-0016 10 x 4 - 6 Flange Straight Back Register Boot 24
017-0022 10 x 6 - 4 Flange Straight Back Register Boot 12
017-0026 10 x 6 - 6 Flange Straight Back Register Boot 12
017-0031 12 x 6 - 7 Flange Straight Back Register Boot 12
017-0036 14 x 4 - 8 Flange Straight Back Register Boot 12
017-0041 14 x 6 - 8 Flange Straight Back Register Boot 10
017-0046 14 x 8 - 10 Flange Straight Back Register Boot 8