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HELIOS filters

Filters for Helios ventilation units: maintenance and efficiency

High-quality analog filters are an essential part of your ventilation system, directly determining the efficiency of the unit and the microclimate of your home. Over time, ventilation unit filters inevitably become contaminated with dust, pollen, and other environmental impurities. To maintain optimal heat recovery and prevent system failures, it is recommended to change filters regularly - every 3-6 months, depending on environmental pollution and usage intensity.


Clean and healthy indoor air

Filters changed on time guarantee impeccable supply air quality. A clogged filter loses its efficiency and becomes a breeding ground for pollutants, while our new manufactured filters for various Helios KWL and Helios KWL EC series units reliably capture even the finest particulate matter, smog residues, allergens, and mold spores, preventing them from entering your living spaces.


Lower electricity consumption

When ventilation unit filters clog, the ventilation unit's fans have to work with a significantly higher load to push the required airflow through the formed resistance. Regular filter replacement allows maintaining minimal air resistance in the system, so the ventilation unit consumes significantly less electricity and operates noticeably quieter.


Longer ventilation system service life

Clean filters prevent dust and other impurities from entering the unit itself, electronic components. Investment in new filters helps avoid expensive ventilation unit repairs or duct cleaning works in the future.


High-quality analog filters directly from the manufacturer

The analog filters offered in our e-shop are manufactured in the EU using only high-quality, certified filtration materials. All products are precisely designed to fully match the technical dimensions and aerodynamic properties of the respective Helios unit models, ensuring simple installation, complete tightness, and reliable protection.

There are 27 products.

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Oro vožtuvų ELF-DLV 100 5xG3 filtrų rinkinys

Air Valve ELF-DLV 100 5xG3 Filter set

Dimensions: DN100
Class (EN779): G3x5
Class (ISO16890): Coarse 50%
Price 4.04 €

Manufacturer of MVHRHelios
ManufacturerCleanFilter
Air handling unitELF-DLV 100
Filter dimensionsDN100
Class EN779G3x5
Class ISO16890Coarse 50%
Protection levelBasic: larger solid particles, dust, fluff.
Quantity of filters5
Advantages
  • Lower running costs – lower filter price, lower energy use, and usually longer time between replacements than higher-efficiency filters.
  • Made in the EU – reliable quality and strict safety standards
  • Premium class safe synthetic filtering material from SANDLER AG (Germany)
Oro vožtuvų ELF-DLV 125 5xG3 filtrų rinkinys

Air Valve ELF-DLV 125 5xG3 Filter set

Dimensions: DN125
Class (EN779): G3x5
Class (ISO16890): Coarse 50%
Price 4.73 €

Manufacturer of MVHRHelios
ManufacturerCleanFilter
Air handling unitELF-DLV 125
Filter dimensionsDN125
Class EN779G3x5
Class ISO16890Coarse 50%
Protection levelBasic: larger solid particles, dust, fluff.
Quantity of filters5
Advantages
  • Lower running costs – lower filter price, lower energy use, and usually longer time between replacements than higher-efficiency filters.
  • Made in the EU – reliable quality and strict safety standards
  • Premium class safe synthetic filtering material from SANDLER AG (Germany)
Filter Mat G4 – 5-7 mm, 1000×1000 mm, 130 g/m² – Made in Germany

Filter Mat G4 – 5-7 mm, 1000×1000 mm, 130 g/m² – Made in Germany

Dimensions: 1000x1000x5
Class (EN779): G4
Class (ISO16890): Coarse 65%
Price 5.33 €

Manufacturer of MVHRSandler
Filter dimensions1000x1000x5
Class EN779G4
Class ISO16890Coarse 65%
Protection levelBasic: larger solid particles, dust, fluff.
Quantity of filters1
Advantages
  • Lower running costs – lower filter price, lower energy use, and usually longer time between replacements than higher-efficiency filters.
  • Made in the EU – reliable quality and strict safety standards
  • Premium class safe synthetic filtering material from SANDLER AG (Germany)
Remarks
  • ℹ️ In ventilation devices, filtering material is used only with filter frames.
  • ℹ️ Cut the required filter dimensions using a knife or another sharp object.
Filter Mat G4 – 15-18 mm, 1000×1000 mm, 180 g/m² – Made in Germany

Filter Mat G4 – 15-18 mm, 1000×1000 mm, 180 g/m² – Made in Germany

Dimensions: 1000x1000x15
Class (EN779): G4
Class (ISO16890): Coarse 65%
Price 6.20 €

Manufacturer of MVHRSandler
Filter dimensions1000x1000x15
Class EN779G4
Class ISO16890Coarse 65%
Protection levelBasic: larger solid particles, dust, fluff.
Quantity of filters1
Advantages
  • Lower running costs – lower filter price, lower energy use, and usually longer time between replacements than higher-efficiency filters.
  • Made in the EU – reliable quality and strict safety standards
  • Premium class safe synthetic filtering material from SANDLER AG (Germany)
Remarks
  • ℹ️ In ventilation devices, filtering material is used only with filter frames.
  • ℹ️ Cut the required filter dimensions using a knife or another sharp object.
Filter Mat G4 – 20 mm, 1000×1000 mm, 270 g/m² – Made in Germany

Filter Mat G4 – 20 mm, 1000×1000 mm, 270 g/m² – Made in Germany

Dimensions: 1000x1000x20
Class (EN779): G4
Class (ISO16890): Coarse 65%
Price 8.28 €

Manufacturer of MVHRSandler
Filter dimensions1000x1000x20
Class EN779G4
Class ISO16890Coarse 65%
Protection levelBasic: larger solid particles, dust, fluff.
Quantity of filters1
Advantages
  • Lower running costs – lower filter price, lower energy use, and usually longer time between replacements than higher-efficiency filters.
  • Made in the EU – reliable quality and strict safety standards
  • Premium class safe synthetic filtering material from SANDLER AG (Germany)
Remarks
  • ℹ️ In ventilation devices, filtering material is used only with filter frames.
  • ℹ️ Cut the required filter dimensions using a knife or another sharp object.
Helios KWL EC 170 W F7/AC...

Helios KWL EC 170 W F7/AC activated carbon filter (Smog & Odour)...

Dimensions: 255x112x32
Class (EN779): F7/AC
Class (ISO16890): ePM2.5 60%
Price 13.39 €

Manufacturer of MVHRHelios
ManufacturerCleanFilter
Air handling unitKWL EC 170 W
Filter dimensions255x112x32
Class EN779F7/AC
Class ISO16890ePM2.5 60%
Protection levelParticles and odors: fine particles, dust, pollen, mold spores, combustion particles, volatile particles, NOx, O3 gases.
Quantity of filters1
Advantages
  • Made in the EU – reliable quality and strict safety standards
  • German filtration material – hygienic (VDI 6022) and PFAS-free, for cleaner and safer air
  • ISO 16890 tested – performance verified by an accredited laboratory in Germany
  • Absorbs volatile particles (odors) and harmful gases as NOx, O3, etc.
Helios KWL EC 450/500...

Helios KWL EC 450/500 ECO/PRO/W F7/AC activated carbon filter (Smog...

Dimensions: 225x447x48
Class (EN779): F7/AC
Class (ISO16890): ePM1 70%
Price 26.06 €

Manufacturer of MVHRHelios
ManufacturerCleanFilter
Air handling unit
  • KWL EC 450 ECO
  • KWL EC 450 PRO
  • KWL EC 450 W
  • KWL EC 500 ECO
  • KWL EC 500 PRO
  • KWL EC 500 W
Filter dimensions225x447x48
Class EN779F7/AC
Class ISO16890ePM1 70%
Protection levelParticles and odors: fine particles, dust, pollen, mold spores, combustion particles, volatile particles, NOx, O3 gases.
Quantity of filters1
Advantages
  • Made in the EU – reliable quality and strict safety standards
  • German filtration material – hygienic (VDI 6022) and PFAS-free, for cleaner and safer air
  • ISO 16890 tested – performance verified by an accredited laboratory in Germany
  • Absorbs volatile particles (odors) and harmful gases as NOx, O3, etc.
Helios KWL 220 D 1xF7 Filter (Smog&Pollen)

KWL 220 D 1xF7 Filter (Smog&Pollen)

Dimensions: 495x68x47
Class (EN779): F7
Class (ISO16890): ePM1 70%
Price 10.30 €

Manufacturer of MVHRHelios
ManufacturerCleanFilter
Air handling unitKWL 220 D
Filter dimensions495x68x47
Class EN779F7
Class ISO16890ePM1 70%
Protection levelHigh: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust.
Quantity of filters1
Advantages
  • Maximum protection – ePM1 70% removes up to 40% more smog, pollen and fine dust than standard filters (50–60%).
  • Made in the EU – reliable quality and strict safety standards
  • German filtration material – hygienic (VDI 6022) and PFAS-free, for cleaner and safer air
  • ISO 16890 tested – performance verified by an accredited laboratory in Germany
Manufacturer product number
  • ELF-KWL 220 D/7
  • 09639
Remarksℹ️ This is a supply air filter. For extract air filtration, please order a separate G4/M5 filter (available in our shop).
Helios KWL 220 D 4xG4 Filter set (Multipack)

KWL 220 D 4xG4 Filter set (Multipack)

Dimensions: 502x105x20
Class (EN779): G4x4
Class (ISO16890): Coarse 65%
Price 6.18 €

Manufacturer of MVHRHelios
ManufacturerCleanFilter
Air handling unitKWL 220 D
Filter dimensions502x105x20
Class EN779G4x4
Class ISO16890Coarse 65%
Protection levelBasic: larger solid particles, dust, fluff.
Quantity of filters4
Advantages
  • Lower running costs – lower filter price, lower energy use, and usually longer time between replacements than higher-efficiency filters.
  • Made in the EU – reliable quality and strict safety standards
  • German filtration material – hygienic (VDI 6022) and PFAS-free, for cleaner and safer air
Manufacturer product number
  • ELF-KWL 220 D/4/4
  • 09638
Remarksℹ️ This filter set protects the MVHR from larger particles. For finer filtration (pollen, smog), use an F7 supply air filter, available in our shop.
Helios KWL 250 W 1xF7 Filter (Smog&Pollen)

KWL 250 W 1xF7 Filter (Smog&Pollen)

Dimensions: 350x122x40
Class (EN779): F7
Class (ISO16890): ePM1 70%
Price 9.25 €

Manufacturer of MVHRHelios
ManufacturerCleanFilter
Air handling unitKWL 250 W
Filter dimensions350x122x40
Class EN779F7
Class ISO16890ePM1 70%
Protection levelHigh: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust.
Quantity of filters1
Advantages
  • Maximum protection – ePM1 70% removes up to 40% more smog, pollen and fine dust than standard filters (50–60%).
  • Made in the EU – reliable quality and strict safety standards
  • German filtration material – hygienic (VDI 6022) and PFAS-free, for cleaner and safer air
  • ISO 16890 tested – performance verified by an accredited laboratory in Germany
Manufacturer product number
  • 40152
  • ELF-KWL 250/ePM1 50%
Remarksℹ️ This is a supply air filter. For extract air filtration, please order a separate G4/M5 filter (available in our shop).
Helios KWL 250 W ET G4+G4 Filter set (Standard)

KWL 250 W ET G4+G4 Filter set (Standard)

Dimensions: 350x122x40
Class (EN779): G4+G4
Class (ISO16890): Coarse 75%
Price 11.27 €

Manufacturer of MVHRHelios
ManufacturerCleanFilter
Air handling unitKWL 250 W
Filter dimensions350x122x40
Class EN779G4+G4
Class ISO16890Coarse 75%
Protection levelBasic: larger solid particles, dust, fluff.
Quantity of filters2
Advantages
  • Lower running costs – lower filter price, lower energy use, and usually longer time between replacements than higher-efficiency filters.
  • Made in the EU – reliable quality and strict safety standards
  • German filtration material – hygienic (VDI 6022) and PFAS-free, for cleaner and safer air
  • ISO 16890 tested – performance verified by an accredited laboratory in Germany
Manufacturer product number
  • 40151
  • ELF-KWL 250/2xCoarse 65%
Remarksℹ️ This filter set protects the MVHR from larger particles. For finer filtration (pollen, smog), use an F7 supply air filter, available in our shop.
Helios KWL 340 D 1xF7 Filter (Smog&Pollen)

KWL 340 D 1xF7 Filter (Smog&Pollen)

Dimensions: 577x93x36
Class (EN779): F7
Class (ISO16890): ePM1 70%
Price 11.85 €

Manufacturer of MVHRHelios
ManufacturerCleanFilter
Air handling unitKWL 340 D
Filter dimensions577x93x36
Class EN779F7
Class ISO16890ePM1 70%
Protection levelHigh: fine particles, dust, pollen, mold spores, combustion particles, smog particles, insecticide dust.
Quantity of filters1
Advantages
  • Maximum protection – ePM1 70% removes up to 40% more smog, pollen and fine dust than standard filters (50–60%).
  • Made in the EU – reliable quality and strict safety standards
  • German filtration material – hygienic (VDI 6022) and PFAS-free, for cleaner and safer air
  • ISO 16890 tested – performance verified by an accredited laboratory in Germany
Manufacturer product number
  • ELF-KWL 340 D/7
  • 04240
Remarksℹ️ This is a supply air filter. For extract air filtration, please order a separate G4/M5 filter (available in our shop).