Steam Room Air Ventilation Panel,Cedar Wood Adjustable Sauna Room Air Vent Panel Air Vent Slab Sauna Air Vent Grille Accessory for Sauna Steam Room. Practical Sauna Vent Panel --- This is a pretty practical Sauna Air Vent Board Panel, it is designed for creating air vent for sauna room, can effectively improve air circulation and keep fresh air and reduce stuffy, improving sauna experience.
eBay