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

Transition box AST 2xDN75/125, 400 mm. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Transition box AST Classic 2xDN75/125, 300 mm. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Transition box AST 3xDN75/125, 400 mm. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Unregulated transition box 1xDN75/125. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Transition box with regulator 2xDN75/125. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Unregulated transition box 2xDN75/125. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Straight transition box 2xDN75/125. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Linear transition box 2xDN75 (500 mm). DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 6xDN75, horizontal connection 125/160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 6xDN75, vertical connection 160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 9xDN75, horizontal connection 125/160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 9xDN75, vertical connection 160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 9xDN75, 2 sides, horizontal connection 125/160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 9xDN75, 2 sides, vertical connection 160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 12xDN75, vertical connection 160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 15xDN75, 3 sides, horizontal connection 125/160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 15xDN75, 3 sides, vertical connection 160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Distributor 18xDN75, 4 sides, vertical connection 160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Side distributor 18xDN75, connection 160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Cone distributor 10xDN75, throat 160. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Inner coupling DN75. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

External DN75 connector with bracket. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.

Short DN75 duct reducer. DN75 refers to the 75 mm outside duct diameter; the inside diameter is 63 mm.