This plenum box with dimensions 350x168x250mm (L x H x D) or 522x168x250mm (L x H x D) can be used with several DDCP distribution plates depending on the air flow rate and the number of valves.

The connection for this plenum box is made from the ventilation unit with a spiralled duct with dia180mm. It is possible to make the distribution with flexible ducts depending on the distribution plate.

Rectangular plenum box made of KTL coated steel (5µm). Thanks to this KTL coating, the plenum box is resistant to the corrosive elements of the cement screed (compression strength 80kg/cm²). The KTL coating is also dust and moisture repellent, which makes it very appropriate for ventilation applications.