DHW filters F7 520 (500 x 500 x 48) 990323606

Filters for Heat Recovery – Efficient Air Filtration in Your Home

This F7-class filter, designed for Zehnder ComfoWell CW 520 heat recovery units, is the key to clean and healthy air in your home. It provides effective filtration by capturing dust, pollen, and other pollutants, resulting in improved comfort and better indoor air quality. Ideal for those who prioritize hygiene as well as allergy sufferers.

Design and Application

The CW-F7 520 filter is specifically engineered to fit the CW-F 520 filter housing. Its compact dimensions (500 x 225 x 48 mm) simplify installation and replacement. Despite its low height of just 48 mm, the dense structure delivers a large filtration surface area, ensuring high performance. This filter is used in mechanical ventilation systems with heat recovery to provide preliminary air purification.

Performance and Reliability

The filter offers high filtration efficiency of 75% in accordance with ISO 16890-1:2016, effectively capturing even fine particulate pollutants. Additionally, the product is covered by a two-year warranty, confirming its high quality and reliability. Regular filter replacement (recommended every approximately 4000 operating hours) ensures optimal heat recovery system performance and maintains clean air in indoor spaces.