New ventilation accessories
- Swirl cassette diffusers NKSD-C dimensions 625-24 and 625-48
- Swirl cassette diffusers NKSD-CB
- Swirl cassette diffusers NK-SWA add dimensions 300, 400, 500 i 625
- Swirl cassette diffusers NK-SWB
- Plastic Air Valve KPP add dimensions 150 mm
- Long range nozzle KHA add dimensions 150 mm
Expansion boxes are aviable to above diffusers
