Snappy™ SBF30 Return Air Support Box with Filter Drawer

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Snappy™ SBF30 Return Air Support Box with Filter Drawer, 30x28x15 in D, Steel, Galvanized

return air box with filter slot This is just one of many ways to form a return air box or plenum for an electric air handler to

return of the green knight slot FILTER SUPPORT BOXFILTER SUPPORT BOX - Manufacturer: Southwark Metal Weight: 30RETURN AIR SUPPORT BOX FOR FILTERS -