Triple air distribution box 3xDN90. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Distribution box 3xDN90, 90°. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Cone distribution box 8xDN90, throat 125. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Inner coupling 90. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

90° elbow for DN90 flexi duct. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Reducer DN75/DN90. DN75 refers to 75 mm outside / 63 mm inside diameter; DN90 refers to 90 mm outside / 75 mm inside diameter.

Y-piece DN90. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Duct Flexi Coupling DN90. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Y piece DN90. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

External DN90 connector with bracket. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Pipe plug DN90. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Plug for Distributor body. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Single-row Distributor coupling. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Short DN90 duct reducer. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Long DN90 duct reducer. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Reducer 2xDN90/1xDN50 – Geberit. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

Reducer to flat pipe DN90. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.

DN90 flexi duct cutter. DN90 refers to the 90 mm outside duct diameter; the inside diameter is 75 mm.