Zehnder

Active carbon filter insert for 4×2 casing

Class F9 fine dust filter insert for 4×2 casing

Modular filter housing (420 mm) for F7/F9 or carbon filters

Active carbon filter insert for 3×2 casing

Class F9 fine dust filter insert for 3×2 casing

Modular filter housing (320 mm) for F7/F9 or carbon filters

Active carbon filter insert for 2×2 casing

Class F9 fine dust filter insert for 2×2 casing

Modular filter housing (220 mm) for F7/F9 or carbon filters

Insulated Expanded PolyPropylene (EPP) comes in a 45-degree bend; two can be used together for 90-degrees.

Insulated Expanded PolyPropylene (EPP) ducting allows for easy installation of intake and exhaust ducts. 

EPP ducting allows for easy installation of intake and exhaust ducts. Comes in 39" segments.

The ComfoAir Q has two filter options. 

The ComfoAir Q G4 Filter is a MERV 7/8 and the F7 Filter is a MERV 13 for pollen seasons.