SEMI-RIGID ALUMINIUM HOSE 102MM DIA, 3 METRESKair 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 102mm dia x 3000mm (3 Metre) lengthPerfect for ducting your:Bathroom or Kitchen extractor fansCooker hoodsPortable air conditionersHeating / Cooling systemsTumble dryersHydroponics / In-Line Extract FansVersatile 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 UKEasy to cut and compresses for storageMaximum Operating Pressure: 10,000 PaBending radius: 0.76 x DMaximum air velocity 30m/secConforms to UK BS476 parts 6 and 7 Class 0Rated to M1 Fire Standards In case of fire no poisonous gases are releasedSemi-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 100 (SYS-100) range of fittings, outlets, and grilles. Kair Semi-Rigid Ducting is available in 3 metre lengths in sizes from 102mm to 152mm diameter.