5" 125mm x 5 meter - Flexible 25mm Insulated Aluminium Ducting garden This comprehensive range are suited

This comprehensive range are suited for use in larger bathrooms

Hole through the glass - 115mm

This range is specially designed for residential applications requiring remote extraction

and utility rooms — anywhere that needs efficient

a slag controller of molten metal in iron and steel industries

5" 125mm x 5 meter - Flexible 25mm Insulated Aluminium Ducting garden This comprehensive range are suitedInsulated 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