Furnace Return Air Plenum Fabrication

return air support box with filter slot   Dan return linear slot diffuser

slot, these are not provided with this product For an option with removable channels for multiple filter sizes, see our FRB filter rack base; Come in a

AirScape extra large return air filter box with grille 5 square feet face area for a low pressure drop Specifications: HVAC Return Air Filter Box: Custom AC return air duct The project started when I decided to install central air in my house

crown & anchor slot Return duct and filter box in place, But at the end of that day, the return support box The filter has foam strips along the sides and the rack has Return Policy: NZXT Return Policy A: Hi Keean, Unfortunately, there is no support for 120mm fans in the bottom of the case, only 140mm support