Fresh Air Intake Filter - HVAC-Talk

Master Flow 16 in x 25 in Return Air Box with Filter Rail RAB16X25 return air box with filter slot Plenums & Return Air Boots · 20X10SD BOOT SLIPDRIVE CUSTOM Buffalo Boot 10x20 Side Filter Slot -Use 20x20x1 Filter · 20X20 FF Filter Frame return of kong slot AirScape extra large return air filter box with grille 5 square feet face area for a low pressure drop Specifications:

return air box with filter slot The air handler is a large metal box that houses the fan and its motor The filter usually fits in a slot on the air return side of the unit