Adapter which fit with snap-in closure to grille #150 and 110x150mm, and also the wall vents TL-E and TL-P. The adapters fit inside the wall pipe and external adapter for each dimension. The models with rainstop have a small partition wall from lower edge, this wall efficiently prevents water penetration. The shorter adapters (30mm) are recommended to be used together with the sound reducing wall pipes (dB-pipes).
Internal adapter, short model with rain stop