Wallas-code: 3419
Heat-insulated air duct for duct routings used next to cold bulkheads or in cold compartments. Insulated Thermo Twin Pro decreases the heat loss by 40% compared to a standard duct.
Notice! The product is sold per unit, one piece is 4 meters long.
Dimensions: length 4m, inner d = 75 mm, outer d = 90mm