Ubbink AE55sc Semi-Rigid Duct 20m 130/60mm mm Outside/Inside Diameter Duct 400 502 015 INT NG F00428/1S Use only

INT NG F00428/1S Use only if recirculating and not ducting out

'X' suffix models also have powered electric anti-backdraught shutters 251110

The new Peri Pro Air offers outstanding reliability with an industry first 5 year warranty*

Zehnder P/N 990 323 620

Multi Gas EL54516 HP

Ubbink AE55sc Semi-Rigid Duct 20m 130/60mm mm Outside/Inside Diameter Duct 400 502 015 INT NG F00428/1S Use onlyUbbink AE55sc Semi Rigid Duct 20m 130 60mm mm Outside Inside Diameter Duct The Air Excellent semi circular ductwork ensures efficient air distribution between distribution boxes and the various rooms. Due to its semi circular shape, the Air Excellent ductwork can be installed easily and ensures keeping pressure losses to a minimum. Easy and quick to install Strong outer surface for damage free installation Smooth inner surface for less pressure drop