Zehnder CK300 Rigid Twin Duct, 2 x 158mm x 69mm x 1.5m AX3504 Therefore when you take into

Therefore when you take into consideration the noise level and energy consumption of this fan in relation to its performance then the QuietAir is class leading

Elica Nikola Tesla Circular Ducting - 500mm Long 150mm Diameter

Height 115mm             990320845

125mm or 5" solid ducting is recommended to minimise air resistance

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

Zehnder CK300 Rigid Twin Duct, 2 x 158mm x 69mm x 1.5m AX3504 Therefore when you take intoThe 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)