A round wood disc over a 4 in vent opening, adjustable so you can set airflow rather than leave it wide open. Its natural wood face complements sauna walls.

Adjustable, not fixed

The cover adjusts to control how much air passes, so you can dial a room in during a session instead of accepting whatever the opening gives you.

Build

A smooth wood face on a durable backing, sized to a standard 4 in round opening. Built for long-lasting use in high-heat environments.