Zehnder CK300 Rigid Twin Duct, 2 x 158mm x 69mm x 1.5m AX3504 Using piston technology this is

Using piston technology this is a compact

Height 115mm             990320845

Optional smart frost protection

This QuietAir Basic Fan carries the Quiet Mark Approval and is part of an extended range of elegant

Frost Protection Only Required At Extreme Outside Temperatures Of Around -6 °C

Zehnder CK300 Rigid Twin Duct, 2 x 158mm x 69mm x 1.5m AX3504 Using piston technology this isThe 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)