Zehnder ComfoAir 200 Filter Set, ISO Coarse (G4), 2 pcs metal The SRD100T runs with 70%

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

Class II equipment

The stunning object matches high performance while its sheer class and prestige rubs off onto any interior setting

This type of installation requires a more powerful motor as the extracted air will generally have to travel further than a standard through wall installation

adjustable timer wall or ceiling fan with discreet white front cover

Zehnder ComfoAir 200 Filter Set, ISO Coarse (G4), 2 pcs metal The SRD100T runs with 70%Ideally, 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