Cedar Air Ventilation Louver (4” x 10”) - Sauna Place
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Amazon.com: Air Ventilation Panel, Cedar Wood Adjustable Steam Room Sauna Room Air Vent Slab, Air Vent Grille Sauna Accessory, Used for Ventilation Plate In Sauna or Steam Room, 13.4x5.1x0.4 Inch : Patio,