Zehnder CK300 Rigid Twin Duct, 2 x 158mm x 69mm x 1.5m product_type_mounting_fixing blocking will occur every 6

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)

shower rooms

The use of continuous ventilation has increased rapidly as homes become better insualted but can sometimes suffer with additional condensation issues

there is no better labour saving device than a Veto Pro Pac bag

specifically designed for comfortable indoor ventilation

Zehnder CK300 Rigid Twin Duct, 2 x 158mm x 69mm x 1.5m product_type_mounting_fixing blocking will occur every 6The Zehnder CK300 rigid twin duct has an extremely low profile and compact design. It is suitable for use with the Zehnder ComfoTube Flat 51 semi rigid manifolds. The smooth, hygienic twin duct is made for air flows of 83. 3 l s (300 m h) at low pressure drops. It measures 65mm high x 326mm wide x 1500mm long. Zehnder P N 990 322 051 (Old Part No 990 322 020)