Zehnder WHR 930 / 950 / 960 filter set G4+F7 (original)
Zehnder WHR 930 / 950 / 960 filter set G4+F7 (original)
Filter protection level indicates efficiency in blocking particles or contaminants, varying by standard and application.
General dust and particle filtration
Captures pollen, mold spores, and other allergens
Protects against allergens and urban pollution
Key features of this product
Certified quality to international ISO standards
Manufactured entirely within the European Union
Effective filtration for up to 6 months.
Price for set
Model compatibility
Original Zehnder filter set for the following ventilation units:
- Zehnder WHR 930
- Zehnder WHR 950
- Zehnder WHR 960
WHR units may have flat G3 filters on wire holders or framed cassette filters. Check that the cassette-filter handles/holders are suitable for the framed replacement. WHR 950 includes versions I and II.
This is the older ComfoAir/ComfoD/WHR cassette-filter family, not the ComfoAir Q series. Check the unit name and installed filter reference when selecting replacements.
What the filter set protects against
The set contains one G4 extract filter, rated ISO Coarse 60%, and one F7 supply filter, rated ISO ePM1 50%. The extract filter captures coarse dust and lint to protect the ventilation unit. The supply filter captures fine particles, including pollen, mould spores and combustion particles, to improve the quality of incoming outdoor air. The ePM1 rating describes filtration efficiency for the relevant particle-size fraction; it does not guarantee removal of every pollutant or microorganism.
Use and maintenance
The set contains two filters. Install the G4 extract filter on the extract-air side and the F7 supply filter on the outdoor-air intake side, following the unit instructions. Inspect filters regularly and replace them approximately every 3-6 months, or sooner when dirty, clogged or indicated by the unit. Replacement frequency depends on outdoor pollution, dust and operating conditions. Switch off the unit before replacement, fit both filters securely and reset the filter reminder according to the unit manual. Replace used filters rather than washing them.
Manufacturing quality
These are original Zehnder filters, supplied directly by Zehnder. Pleated media increase the available filtration surface. Plastic frames and sealing edges support a secure fit in the compatible cassette-filter holders. The documented ISO 16890 classifications are ISO Coarse 60% for G4 and ISO ePM1 50% for F7.
Original product codes
- Current two-filter set MPN: 400100084.
- GTIN/EAN for the two-filter set: 8717573486064.
- Verified legacy G4+F7 set reference: 006040250.
| Filter Type / EN 779 Class | ISO 16890 Class | Efficiency (%): Coarse (>10 µm) | PM10 (≤10 µm) | PM2.5 (≤2.5 µm) | PM1 (≤1 µm) | Gas/VOC Removal | Real-Life Particle & Pollutant Examples |
|---|---|---|---|---|---|---|---|
| G1 | ISO Coarse | ~40% | <10% | ~0% | ~0% | Sand, textile fibers, carpet fluff, plant debris, insect wings, visible lint | |
| G2 | ISO Coarse | ~50% | <15% | ~0% | ~0% | Sawdust, hair, coarse textile particles, large flakes of paint or rust | |
| G3 | ISO Coarse | ~60% | <25% | ~5% | ~0% | Coarse dust, lint, animal hair, some pollen | |
| G4 | ISO Coarse | 65-75% | 25-35% | 10-15% | <5% | Large pollen grains, soil particles, textile lint | |
| M5 | ISO ePM10 ≥50% | ~80% | 50–65% | 20–30% | 10–15% | Pollen, mold spores, pet dander, house dust | |
| M6 | ISO ePM10 (60–80%) | ~90% | 65–80% | 30–45% | 15–25% | Building/construction dust, concrete dust, ash particles, fine cement dust | |
| F7 | ISO ePM2.5 (50–65%) | >90% | 75–90% | 50–65% | 30–45% | Bacteria, smog, tobacco smoke particles, combustion dust, spores, wildfire smoke particles | |
| F8 | ISO ePM2.5 (65–80%) | >95% | 85–95% | 65–80% | 45–60% | Fungal spores, air pollution aerosols | |
| F9 | ISO ePM1 (80–95%) | >95% | >95% | >90% | 80-95% | Diesel soot, airborne viruses, smoke from traffic and industry, combustion particles, ultra-fine dust, secondary organic aerosols from chemical reactions in air | |
| Activated Carbon | Not classified (gas filter) | Varies (combined with prefilter) | Varies | Varies | Varies |
High Efficiency |
Volatile Organic Compounds (VOCs), formaldehyde, ozone, nitrogen dioxide (NO₂), sulfur dioxide (SO₂), benzene, toluene, cooking odors, cigarette smoke odors, pet smells, perfumes |
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