Return Air Support Box w Filter Rack - Sheet Metal

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

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

return air box with filter slot AirScape extra large return air filter box with grille 5 square feet face area for a low pressure drop Specifications:

return to planet moolah slot machine 74846 Southwark FB Furnace Support Box with Filter Slot, 20 x 25 x 1 Inch, 21 Inch W x 18 -12 Inch H Ready To Ship! 17 In Stock Now! Check