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Not all ventilation unit filters are the same. Some ensure clean, healthy indoor air, while cheaper or uncertified filters can pose risks to both the ventilation system and your health. This guide explains what to look for when choosing filters — from ISO 16890 testing and hygiene standards to material safety and real filtration performance — so you can be confident you’re using a safe, certified and reliable filter.
Cold and flu season often starts indoors — not outside. While filters in your ventilation unit can’t trap viruses themselves, proper air exchange, high-efficiency filters and balanced humidity greatly reduce the risk of infection and keep your home air cleaner and healthier.
Foggy windows, high humidity or mold in homes with an AHU or MVHR system? Learn why this happens and how to fix it – from airflow adjustments to filter checks.
Advanced Filters for Stiebel Eltron Heat Recovery Ventilation Units (MVHR)
Elevate your indoor air quality with our top-tier analog Stiebel Eltron filters, designed for perfect compatibility with Stiebel Eltron LWZ series MVHR. These filters optimize performance and provide robust protection against pollutants.
Our wireframe and panel Stiebel Eltron filters rigorously adhere to ISO 16890 standards, with exceptional filtration efficiency confirmed by FIATEC lab tests in Germany. Crafted from EU-sourced high-quality materials, our innovative 3-layer filtration material ensures optimal performance.
Choose from our range of Stiebel Eltron LWZ filters:
- G4: Foundational Protection (Lint, Dust)
- M5: medium-sized PM10 particles (Pollen, Mold spores, etc.)
- F7/F8: Precision PM2.5 and PM1 Particle Filtration (Smog particles, Pesticide dust, Pollen, Mold spores)
- F9: top PM2.5 and PM1 Particle Filtration (Smog particles, Pesticide dust, Pollen, Mold spores, Bacteria)
- F7/AC: full smog protection (Fine particles, Volatile particles (Odor), Harmful gases (NOx, O3, etc. ).
Benefits:
- Low prices.
- Tested efficiency
- Extended filter lifespan.
Includes a 2-year storage guarantee. Trust in our EU-manufactured filter excellence.
There are 35 products.
Ex VAT: £6.48
| Manufacturer of MVHR |
|
| Manufacturer | CleanFilter |
| Air handling unit | Exhaust air valve DN100 |
| Filter dimensions | DN100 |
| Class EN779 | G4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 5 |
| Advantages |
|
Ex VAT: £6.48
| Manufacturer of MVHR |
|
| Manufacturer | CleanFilter |
| Air handling unit | Exhaust air valve DN125 |
| Filter dimensions | DN125 |
| Class EN779 | G4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 5 |
| Advantages |
|
Ex VAT: £9.09
| Manufacturer of MVHR |
|
| Manufacturer | CleanFilter |
| Air handling unit |
|
| Class EN779 | G4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 5 |
| Advantages |
|
Ex VAT: £5.42
| Manufacturer of MVHR | Sandler |
| Filter dimensions | 1000x1000x15 |
| Class EN779 | G4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 1 |
| Advantages |
|
| Remarks |
|
Ex VAT: £7.24
| Manufacturer of MVHR | Sandler |
| Filter dimensions | 1000x1000x20 |
| Class EN779 | G4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 1 |
| Advantages |
|
| Remarks |
|
Ex VAT: £7.52
| Manufacturer of MVHR | Stiebel Eltron |
| Manufacturer | CleanFilter |
| Air handling unit | LWZ 70 E |
| Filter dimensions | 136x290x25 |
| Class EN779 | F7 |
| Class ISO16890 | ePM1 70% |
| Protection level | High: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust. |
| Quantity of filters | 1 |
| Advantages |
|
| Manufacturer product number |
|
Ex VAT: £11.77
| Manufacturer of MVHR | Stiebel Eltron |
| Manufacturer | CleanFilter |
| Air handling unit | LWZ 70 E |
| Filter dimensions | 136x290x25 |
| Class EN779 | F7/AC |
| Class ISO16890 | ePM2.5 60% |
| Protection level | Particles and odors: fine particles, dust, pollen, mold spores, combustion particles, volatile particles, NOx, O3 gases. |
| Quantity of filters | 1 |
| Advantages |
|
| Manufacturer product number |
|
Ex VAT: £4.74
| Manufacturer of MVHR | Stiebel Eltron |
| Manufacturer | CleanFilter |
| Air handling unit | LWZ 70 E |
| Filter dimensions | 136x290 |
| Class EN779 | G4x4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 4 |
| Advantages |
|
| Manufacturer product number |
|
Ex VAT: £4.90
| Manufacturer of MVHR | Stiebel Eltron |
| Manufacturer | CleanFilter |
| Air handling unit | LWZ 70 E |
| Filter dimensions | 136x290x5 |
| Class EN779 | G4+G4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 2 |
| Advantages |
|
| Manufacturer product number |
|
Ex VAT: £9.02
| Manufacturer of MVHR | Stiebel Eltron |
| Manufacturer | CleanFilter |
| Air handling unit |
|
| Filter dimensions | 394x185x48 |
| Class EN779 | F7 |
| Class ISO16890 | ePM1 70% |
| Protection level | High: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust. |
| Quantity of filters | 1 |
| Advantages |
|
| Manufacturer product number |
|
Ex VAT: £4.41
| Manufacturer of MVHR | Stiebel Eltron |
| Manufacturer | CleanFilter |
| Air handling unit |
|
| Filter dimensions | 396x190 |
| Class EN779 | G4x4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 4 |
| Advantages |
|
| Manufacturer product number |
|
Ex VAT: £3.98
| Manufacturer of MVHR | Stiebel Eltron |
| Manufacturer | CleanFilter |
| Air handling unit |
|
| Filter dimensions | 396x190 |
| Class EN779 | G4x4 |
| Class ISO16890 | Coarse 65% |
| Protection level | Basic: larger solid particles, dust, fluff. |
| Quantity of filters | 4 |
| Advantages |
|
| Manufacturer product number |
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