T-Bar Return Air Filter Grilles

A duct filter box designed for use with inline fans to circulate fresh air and block dust and odors · Built with 1mm thick cold-rolled steel and aluminum duct

Furnace Return Air Box with Filter Rack - x Model: FB2128 $ Ships in 2-3 Weeks Add

return air support box with filter slot case, they can be used in thousands of applications I hope as well filter slot within

return to the feature slot This return air support box is for use with systems where the return air must come in underneath the furnace or air handler The support box can hold a