Zehnder

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

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.

One 7.8" 200mm round duct connects to a 12-port silencer manifold box. 

ComfoAir Q600 ERV unit with 12-port manifold systems for supply and exhaust. 

G4 Filter, MERV 8 - winter filter for supply or exhaust and bypass filter used in summer.  F7 Filter, MERV 13 - summer pollen filter for supply only 

The Round 3 Port Diffuser Box is typically used in combination with the Diffuser boxes requiring three ducts.