Zehnder ComfoAir 200 Filter Set, ISO Coarse (G4), 2 pcs metal Greenwood Acoustic MA3051 wall ventilator

Greenwood Acoustic MA3051 wall ventilator in white providing acoustic attenuation to Dn

Small yet spacious

The SRD100T runs with 70% less noise than conventional fans and is designed so that the fan will operate for an adjustable period of 2 to 30mins

adjustable timer wall or ceiling fan with discreet white front cover

Zehnder ComfoAir 200 Filter Set, ISO Coarse (G4), 2 pcs metal Greenwood Acoustic MA3051 wall ventilatorIdeally, filters should be inspected monthly and given a light vacuum to remove dirt and debris. Filters will eventually become blocked with residual debris and should then be replaced. Generally, blocking will occur every 6 12 months depending on the location (near busy roads or inner city areas tend block more quickly than remote country settings). Zehnder P N 400 100 014