Supply air duct with pollen protection

Supply air duct with pollen protection Ø 100, for wall thicknesses from 250 to 580 mm, white.

The supply air duct with pollen protection is installed like a wall duct and ensures that pollen and dust stay outside. So even allergy sufferers can finally breathe easy. A special foam interior lining also insulates outside noise, and an innovative closing mechanism keeps the heat in the house and does not allow cold to enter. This saves energy costs!

• Individual parts made of cadmium-free plastic PVC-U
• Filter: Filter class G4 according to DIN EN 779, change cycle depending on local conditions approx. every 3 months
• Sound insulation: Integrated sound insulation reduces the sound level by up to 4 db(A)
• Telescopic duct for wall thicknesses of 250-580 mm
• Tube-Ø outside: 108 mm
• Size outer grille: 140 x 140 mm, with fly gauze
• Size inner screen: 150 x 150 mm, rotatable in the range of ±10° for compensation in case of non-aligned installation
• Color: white