Made of sheet steel covered with white epoxy paint, the BIR vents consist of a blowing cone, a central movable shut-off, a knob for adjusting the flow rate and a seal for maintaining and sealing. Range of use from 40 to 150 Pa.
The lip seal enables the assembly on a cuff or on a 100 or 150 mm long drywall 3-claw adapter sleeve.
We have a real identity that guides our actions on a daily basis and that irrigates our choices for more than 60 years now.
We are fully mobilized to keep our promises to our customers and stakeholders.
What is invisible is often what is most valuable. We are “wellness manufacturers”. We design products that improve living conditions.