SEMI-RIGID ALUMINIUM HOSE 127MM DIA, 3 METRES Kair Semi-Rigid Aluminium Ducting is a perfect compromise between the strength of galvanised rigid duct and the versatility of aluminium flexible duct. This product is supplied in a compressed 127mm dia x 3000mm (3 Metre) length Perfect for ducting your: Bathroom or Kitchen extractor fans Cooker hoods Portable air conditioners Heating / Cooling systems Tumble dryers Hydroponics / In-Line Extract Fans Versatile and durable aluminium hose with no reinforcement. It can be twisted and bent around obstacles, but is stronger than typical aluminium flexible hose. Capable of handling higher working temperatures than other ducts and so is suited for boiler or heating applications. Max / Min Temperature: +150c / -30c. Made in the UK Easy to cut and compresses for storage Maximum Operating Pressure: 10,000 Pa Bending radius: 0.76 x D Maximum air velocity 30m/sec Conforms to UK BS476 parts 6 and 7 Class 0 Rated to M1 Fire Standards In case of fire no poisonous gases are released Semi-Rigid Duct is ideal for fans installed on an outside walls or in awkward locations. Connect hose to relevant spigot / outlet and fix in place using a metal hose clip or tape. Genuine Kair Product & covered by the Kair 100% Satisfaction Guarantee. Compatible with the extensive Kair System 125(SYS-125) range of fittings, outlets, and grilles. Kair Semi-Rigid Ducting is available in 3 metre lengths in sizes from 102mm to 152mm diameter.