These Flange Kits are used to vent air through a wall or ceiling. Mount the Ideal-Air™ Flange Kit to the wall or ceiling, then attach your duct work to the flange. Also for use with Sun Huts®. Choose the size that will work with your ducting size. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA. Specifications for Ideal-Air Flange Kit 6 in 736357: | | EACH Packaged | CASE | PALLET | UPC: | 870883008840 | 870883008840 | | Volume: | 0.043 | 5.1077 | | Dimensional Weight: | 0.3826 | 45.4957 | | Weight (lbs): | 0.7 | 36.7 | | Approx Length (inches): | 5.9 | 17.1 | | Approx Width (inches): | 7.4 | 15.5 | | Approx Height (inches): | 1.7 | 33.3 | | |