all gutter elements are glued together with the Marley special adhesive

retaining foot

EPDM instead of TPE:

Made of PP

Zuluftkanal mit Pollenschutz Lüftungstechnik Sonderartikel/Sale all gutter elements are gluedSupply air duct with pollen protection 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!