Enervent (by Zehnder) Pinion filter set M5+F7 (original)
Enervent (by Zehnder) Pinion filter set M5+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
Effective filtration for up to 6 months.
Price for set
Model compatibility
Compatible with the following models:
- Enervent Pinion
- Enervent Pinion eWind
- Enervent Pinion eWind Arctic
- Enervent Pinion Premium eWind
These filters are for balanced ventilation with heat recovery – known in Belgium as ventilation system D.
What the filter set protects against
The filter set includes 2 filters:
- Extract filter – M5 (ePM10 60%) – protects the heat recovery unit
- Supply filter – F7 (ePM1 55%) – protects the air you breathe indoors
The set follows the ISO 16890 standard for particle filtration efficiency. The M5 filter captures around 60% of particles up to 10 microns, including pollen, mould spores, coarse dust and cement dust. It cleans the air extracted from your rooms before it passes through the heat exchanger. The F7 filter captures around 55% of very fine particles as small as 1 micron, including bacteria, smog, tobacco smoke particles, combustion dust, spores and wildfire smoke particles. It cleans incoming outdoor air before it enters your home.
Note that the two filters are different sizes: the extract filter measures 280x124x46 mm and the supply filter 432x273x25 mm.
Usage and maintenance
Zehnder recommends replacing the filters every 6 months to keep air quality and system performance at their intended level. How often they actually need changing depends on:
- Air pollution levels (urban versus rural surroundings)
- Allergies or respiratory sensitivities in the household
- Pets indoors, or smoking
- Dust from nearby construction work
If your unit has a filter change indicator, follow its alerts. Otherwise check the filters by eye — if they look heavily soiled or clogged, replace them.
About Enervent and manufacturing quality
Enervent is a Finnish ventilation manufacturer based in Porvoo, where it has built heat recovery units for over 40 years. It has been part of the Zehnder Group since 2018. Enervent is known for units that combine heat recovery with an integrated heat pump and its own energy management technology, designed for Nordic conditions — which is also why its filters see long heating seasons and benefit from being changed on schedule.
This filter set is manufactured by Zehnder and purchased directly from them, so authenticity and consistent quality are assured. The filters use Minipleat construction, in which the filter medium is folded into many shallow, closely spaced pleats. That packs a large filtration area into a slim frame and keeps air resistance low, so the unit works less hard to move the same air. Using original filters keeps the system operating within the manufacturer's stated technical data.
Original product codes
- 471010921
| 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 |
Shipping and delivery
We process your order as quickly as possible. Dispatch time depends on the availability of your filters.
When is your order dispatched?
- In stock: dispatched within 24–48 hours.
- Not in stock: dispatched within 5–15 business days.
If a product page states a different dispatch time, that time applies.
Delivery times with DPD
After dispatch, DPD delivers your parcel to your door or to a DPD Pickup point of your choice:
| Country | Delivery time |
|---|---|
| Belgium | 2–4 business days |
| Netherlands | 2–4 business days |
| France | 2–4 business days |
| Luxembourg | 2–4 business days |
Delivery time starts once your order has been dispatched and comes on top of the dispatch time.
Shipping costs
Free shipping on orders from €100. For smaller orders, shipping costs are shown at checkout based on your delivery address.
Track your order
Once your order has been dispatched, you receive a shipping confirmation with tracking details, so you can follow your parcel easily.
Easy returns within 30 days
You can return your order within 30 days of receipt for a full refund, provided the products meet our return conditions.
Unpacked products are also accepted, as long as they are unused, undamaged and in good condition. Damaged, dirty or unusable products cannot be returned.
Want to return something after 30 days? Contact us. We review each request individually and are happy to help.
How to return a product
Please contact us before returning anything. We will send you the return instructions and guide you through the rest of the process.
Filter Direct pays the return shipping costs.
Received a wrong or damaged product?
Received a wrong or defective product? Contact us as soon as possible and we will help you resolve it.
Refunds
Once we receive your return, we check the condition of the products within 5 business days.
Once the return is approved, we process the refund within 5 business days to your original payment method.
Cancelling an order
You can cancel your order as long as it has not been dispatched. Refunds for cancelled orders are processed within 5 business days.
Business days
Dispatch and delivery times are calculated in business days, Monday to Friday, excluding public holidays.
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