Compact and fully assembled for quick installations. Heavy gauge galvanized construction with interior support bracket for maximum strength. Preformed 1" flange for return air duct connection. Two sizes fit all of the bottom return air dimensions on the new lower-profile furnaces. The installer simply cuts the appropriate sized return air opening. The support box raises the furnace for easier servicing.
Snappy™ Return Air Support Box, Series: SB Series, 28 in Length, 30 in Width, 10 in D