Weiss Insulated Ducting Length 150mm x 3 Metre SKU: 119835 MODEL: FV62 Error. try again later You've successfully joined the club $ 61 .98 each × Mitre 10 SAvailable at selected stores. Check your local store for details Variants Flexible thermal insulated ducting to help reduce heat and cooling loss. Additional ducting length to suit 150mm insulated applications. Features and benefits Insulation: standard R0.6. 150mm diameter. 3m length.