PROTECTION REPLACEMENT SET
Zehnder Filters for ComfoAir Q 350, Q 450 and Q 600
Compatible replacement filters for Zehnder ComfoAir Q 350, Q 450 and Q 600 ventilation units.
This premium set includes 2 ISO Coarse filters (formerly G4) — one for supply air and one for extract air.
Reliable filtration, carefully selected materials and stable performance, even in humid conditions.
FILTRATION
ISO Coarse 65%
Captures larger dust particles, insects and other contaminants, helping protect the ventilation unit.
HUMIDITY
Stable performance
Synthetic filter media designed to perform reliably, even in humid environments.
SAFETY
VDI 6022
Filter media selected to meet hygiene requirements for residential ventilation applications.
ORIGIN
Made in the EU
Selected European filter materials for more consistent quality.
Why choose ZenAero?
Not all Zehnder replacement filters are made to the same standard.
Quality that lasts
- ISO Coarse filtration with low air resistance for efficient airflow
- Synthetic media that remains stable in high-humidity conditions
- Advanced material helps protect the ventilation unit from dust and larger particles
- Filter media selected for residential ventilation hygiene requirements
- V-shaped gasket on the long sides
What you receive
1 pack = 1 complete set of 2 filters.
- 1 ISO Coarse filter for supply air
- 1 ISO Coarse filter for extract air
Compatibility
Please check your ventilation unit model and filter dimensions before purchasing.
Zehnder
- ComfoAir Q 350
- ComfoAir Q 450
- ComfoAir Q 600
- ComfoAir E 350
- ComfoAir E 400
- ComfoBox Q
- ComfoAir PRO 300
Wernig
- Comfort-Vent Q 350
- Comfort-Vent Q 350 ETWT
- Comfort-Vent Q 600
- Comfort-Vent Q 600 ETWT
Aeris
- Next 350
- Next 450
- Next 600
Technical specifications
Everything you need to quickly check whether this is the right replacement filter set.
499 × 158 × 22 mm
Without gasket
ISO Coarse 65% (formerly G4)
ISO Coarse 65% (formerly G4)
400502013 · 20171599
Wernig: 104 140 030
When should you replace Zehnder filters?
Under normal conditions, we recommend replacing the filters every 4–6 months.
With heavy pollen, traffic pollution, smog, nearby construction work or salty coastal air, check your filters more frequently.
Zehnder, Wernig and Aeris are third-party trademarks. ZenAero is not affiliated with or endorsed by these brands.
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