Ventilation Duct Indoor Cover Collar for Villa

Indoor collar for covering the wall penetration around the ventilation pipe. The hole diameter is designed for the 75 mm ventilation pipes used with Separett Villa toilets. This cover plate is installed around the pipe where it passes through the wall. It covers rough hole edges, improves sealing, and ensures a secure connection between the toilet and the wall. The collar provides a clean, professional finish. It is intended for indoor use and offers both functionality and a refined appearance.