Finnmark Designs FD4 Trinity Hybrid Infrared AND Traditional Sauna

Pre-Order Now. Ships by Late August 2026. Finnmark IR Cabins are backordered at the factory level. This applies to all retailers, not just us. No one will deliver a Finnmark sauna faster than Sauna Marketplace. New orders ship on or before August 28th. Beginning in September, Finnmark expects to maintain regular stock levels. Pre-Order Bonus (through July 31): Every order includes a complimentary curved backrest and sauna cleaner, automatically added. No code needed. We’re also holding 2025 pricing through August. Questions? We’re a small team and happy to help. Just reach out. Can’t decide between short-wave infrared, long-wave infrared, red light therapy, or a traditional sauna? The Finnmark FD-4 Trinity has all of them. Finnmark is the only infrared company that can properly pull this off, with panels designed to handle the heat and humidity of the included Finnish sauna heater with rocks. Walls are insulated up to 4” thick with mineral wool and a radiant barrier. Western red cedar on the inside, Thermo-Aspen on the outside. Built to European sauna standards, the infrared system alone reaches 170°F, the highest IR cabin temperature in the industry. 10-year warranty. All parts stocked in North America. This is the everything sauna.