Snappy™ SBF30 Return Air Support Box with Filter Drawer

Protect Your HVAC System: FilterLock is a patented two-piece seal system designed for use with 1” air filters that eliminates air leakage at the filter

I've also sorted a housing for the stale air return that holds a 16x25x1 filter so I can pull the restrictive exchanger filters on both supply

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 to paris slot Snappy™ SBF36 Return Air Support Box with Filter Drawer, 36x28x15 in D, Steel, Galvanized ; Depth: 15 ; Finish: Galvanized ; Length: 36 in ; Material: Steel ; Width: