Nispira Filter Set for Zehnder ComfoAir 350, 500, 550, KWL Systems – G4 / G7 Ventilation Filter Set wooden coffee stand capturing airborne particles while helping

capturing airborne particles while helping deodorize household odors

Filter Cap

Designed for consistent airflow and performance

Install the woven wire mesh screen if desired

Designed for Reliable Performance

Nispira Filter Set for Zehnder ComfoAir 350, 500, 550, KWL Systems – G4 / G7 Ventilation Filter Set wooden coffee stand capturing airborne particles while helpingDesigned to maintain consistent airflow and help support cleaner indoor air in your home ventilation system. Product Overview Experience a healthier indoor environment with the Staubi Express G4 + G7 Filter Set, a premium quality replacement engineered to match original equipment standards for Zehnder ventilation systems. This comprehensive kit features a dual filter design engineered for balanced, dual action air purification. It includes a G4 coarse