The air ventilator DN50/75, concealed, for installation in an installation wall with the possibility of access to the sewage system and a white wall cover - anti-odor. HL905N

Aeration of single utensils and sewer approaches when the length of the horizontal sewer approach exceeds 4 m, instead of making a bypass. To avoid sucking water from siphons and, consequently, the penetration of unpleasant odors into the rooms. Class A1. Air flow 13 l / s. Delivery includes: adjustable wall casing, white wall-mounted cover - sewage access provided, anti-odor, aesthetic appearance on the wall.