G4 + F7 FILTER KIT FOR DUO TECH 550
G4 + F7 Filter Kit for DUO TECH 550
Description
Filtration kit for the DUO TECH 550 ventilation unit, includes:
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1 G4 filter (ISO Coarse 65%) – for coarse particle protection
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1 F7 filter (ISO ePM1 55%) – for high-efficiency fine particle filtration
This combination ensures full protection of the system and significantly improves indoor air quality by capturing dust, fibers, mold spores, bacteria, and some viruses.
Filtration efficiency:
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G4: coarse particles up to 65%
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F7: fine particles (PM1) up to 98%
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Bacteria: up to 90%
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Viruses: up to 50%
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Pollen / mold: up to 100%
Compatibility: DUO TECH 550
Recommended for: residential or commercial setups with medium to high air quality requirements.
- Family: MECHANICAL VENTILATION GROUPS
- Subfamily: VMC FILTERS

Get to know us
Siber is a leader in the residential sector of ventilation systems, providing a set of high-energy efficiency solutions in hybrid and mechanically smart ventilation, improving health, hygiene, and comfort for people while being environmentally friendly.
The air quality that people breathe inside buildings is supported by the provision of the most modern ventilation systems for single-family, multi-family habitats, and tertiary premises, thus eliminating the presence of a multitude of hazardous pollutants for health and reducing the adverse effects of greenhouse gas production.
Through our efficient ventilation systems, we provide the home with a tempered climate and adjusted humidity throughout the year. Implementing intelligent and efficient solutions achieves a healthy environment, a sense of well-being, and clean, odorless air.
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