Air Distribution Box, angled, 2x75/125

Sleeve to seal a connection of 2 air ducts or an air duct and a distribution box.

Additional seal permitting to achieve C leakage class.

A plastic plug for unused diam. 75 openings in distribution boxes.

A connecting plenum box for three diam. 75 air ducts and one diam. 125 main air duct or disc valve with direction change.

A connecting plenum box for up to 5 diam. 75 air ducts and one diam. 125 main air duct with direction change.