10" 250mm x 5 meter - Flexible 25mm Insulated Aluminium Ducting Round Duct/Grilles/Accessories 000 hours or 3 years

000 hours or 3 years

the Swiftair EC240 heat recovery ventilation system is suitable for residential uses

minimal volume

Removing all contents from the hole

must be used with a 3 amp fuse fitted

10" 250mm x 5 meter - Flexible 25mm Insulated Aluminium Ducting Round Duct/Grilles/Accessories 000 hours or 3 yearsInsulated ducting is very good and reducing noise level and also keeps condensation down Insulated ducting will keep the heat in the duct without it all escaping into the loft etc 1st Layer Alu Ducting 2nd Layer Insulation 3rd Layer Alu Coat Insulated ducting has acoustic properties but if you want silent ducting please see Phonetic duct