Extract air box - for valve

Extract air boxes for mounting round extract air valves. It is important to place the valves, so they extract as much humidity as possible from rooms with regularly high humidity levels. 

The extract air boxes are delivered ready for installation in the ceiling or in the wall. They are available with 1, 2 or 3 spouts depending on the air volume required.  

Material - box 0,9 mm aluzinc steel plate
Material - connectors Pure PE-HD
Valve sizes 1 or 2 connectors Ø100 mm
Valve sizes 3 connectors Ø125 mm

Pressure loss for extract air boxes for valves

Blue curve: 1 connector

Red curve: 2 connectors

Green curve: 3 connectors

We recommend max. 30 m3/h per connector.