HQ-Filters
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Zehnder Filterset WHR 920 | G4/G4 | 400100019
€ 28,95
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Bellyse BLV-350E | G3 filters
€ 15,95
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Meltem AV Bathroom fan filters
€ 9,90
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Meltem GLK / EF Bathroom fan filters
€ 19,95
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Replacement filter set Tecalor LTM dezent 300 FMS M5
€ 29,90
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Replacement filter set Tecalor supply air F7, LTM dezent 300 FMS F7
€ 39,90
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Replacement air filter ECR 25-31 F7for Maico Compaktboxes
€ 18,95
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STIEBEL ELTRON Filter cloth for filter box FMS FBG G4-5
€ 29,95
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Wolf CWL 300/400 Excellent - G3 filters
€ 10,30
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Wolf CWL 300/400 Excellent - F7 Pollen filter
€ 21,95
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Alpha Innotec LG 528 F - F7 Filter
€ 19,90
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Alpha Inno Tec LG 320 - G4 Filter
€ 15,75
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- More than 1500 filters available from stock
- More than 40,000 satisfied customers
- We can deliver any model

HQ Filters - Premium WTW Filters for Optimal Ventilation Performance
HQ Filters offers premium WTW filters (heat recovery filters) for efficient ventilation systems.
These filters contribute to improved air quality and energy efficiency in residential and commercial buildings. With WTW filters from HQ Filters, you get reliable and durable products that optimise the performance of your ventilation system.
Characteristic |
Original Filter |
HQ Filter |
Quality of Filtration |
✔️ Basic filtration |
✔️ Excellent filtration |
Energy Efficiency |
✔️ Standard |
✔️ High energy efficiency |
Durability |
✔️ Medium |
✔️ Long-lasting, high performance |
Price |
❌ More expensive |
✔️ Affordable |
Ease of use (Installation) |
✔️ Simple |
✔️ Very easy |
Availability |
✔️ Limited |
✔️ Wide availability |
Lifetime |
✔️ Standard |
✔️ Long lifespan |
Packaging |
❌ Not recycled |
✔️ Environmentally friendly (recycled) |
Reliability |
✔️ Good performance |
✔️ Very reliable performance |
Price/quality ratio |
❌ Poor |
✔️ Excellent |
Our WTW filters provide effective air filtration, keeping the indoor environment healthy and recovering heat for lower energy costs. These filters are designed for long-term performance and easy replacement, contributing to the durability of your ventilation system. With affordable value for money, HQ Filters' WTW filters are the ideal choice for consumers looking for top quality without high costs.
Whether you need a WTW filter for a residential ventilation system or for a commercial building, HQ Filters offers the right solution for your needs.