• For the supply of fresh air.
• The design provides proper air distribution without risk of cold draughts.
• Air flow is regulated with a flap – three positions.
• Lid is hinged on the bottom edge. 
• UV stabilised plastic.
• 100KV2 supplied with gasket.

Flap valve with round coupling adapted for standard duct dimensions and penetrations. For wall mounting in bedrooms, living rooms or other areas where ventilation is required. Recommended location is high up on a wall and preferably above a heat source. This location mixes the outdoor air and the warm indoor air to achieve optimal comfort.