Return Air Cans the fitting to use when you need to put a return air register in the wall or ceiling to return the air to your furnace. All Return Air Cans are manufactured from the highest of quality galvanized steel. The back of the cans are flat sheet metal for you to cut the desired starter collar for you to fit the size of return air duct. You can use rectangular orFlexible duct.
Duct Installation Tips & Tricks — Cut the proper size hole in the back of the return air can and install a Start Collar. Attach the return air can securely to the framing members with nails or screws. You may want to attach a 90 degree elbow or 45 degree elbow to the round collar that you installed on the return air can, then attach your Flexible duct or Sheet Metal Duct to the elbow. This will provide the best possible airflow for your HVAC systems efficiency. We recommend that you seal the seams with a duct sealant after installation to prevent any air leakage, to increase the efficiency of your heating and air conditioning system, and reduce your utility bills. See "Duct Installation Tips & Tricks" for Flexible Duct orSheet Metal Duct, depending on which type you will be attaching to.
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Delivered quickly at a good price. Piece is nicely made with good joint seals. Recommended.