AirScape Return Air Filter Box With Grille

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

- 2 qty. 18"x20"x2" filters (undercut)
- 5 square feet filter face area
- 20" round duct connection
- Ships with MERV13 filters (other grades available)
- Requires a 22.5" x26.5" opening
- Operable cube core grille for low pressure drop and low noise
- Filters can be changed from inside the room
- Ships knock down, with easy screw assembly (screws included)

model description usually ships price QTY
RFB-18x20 AirScape return air filter box and grille. Includes 2 qty. MERV 13 18x20x2 inch filters. 5 square feet face area. Requires a 22.5x26.5 inch opening. Ships with openable cube core grille. 2 Weeks $225.00
FD18X20X2 - 1 FILTER Replacement filters for RFB-18x20. 18x20x2 (17.5 x 19.5 x 1.75) 2-Inch Filter (MERV 13). 1 filter. 1 Day. In-stock $20.90
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AirScape return air filter box

AirScape return air filter box side view

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