We ensure the best possible indoor air quality. Precision and quality ensure the optimal supply of air.
As deflector bonnet with internal rain collection funnel. Flow-optimised design with duct connection flange and bird protection grille. Made of galvanised steel, stainless steel or aluminium in sheet thicknesses of 0.7 - 1.2 mm. Construction in reinforced industrial design possible.
DFH round with standing rabbets
Roof ventilation attachment
Outdoor air bonnet
Assortment of variants
Insulation inside or double-walled
Version for pitched roof
Design as roof duct
Design as round roof duct
round | triangular | oval | trapezoidal - other shapes are manufactured individually