Ductwork Limited Warranty
Warranties
Take advantage of the durable 30-gauge zinc-coated, galvanized steel construction of this Master Flow™ Return Air Box for your HVAC system. The opening acts as a convenient connection from return fittings to a ceiling or wall grill (not included) for return air needs. Cut your own opening and install a collar (not included) up to 14 in. diameter to attach pipe or flexible duct as needed.
Product availability is subject to change without notice. Not all products are available from all facilities.
Warranties
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