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Discover the pinnacle of home wellness with the Finnmark FD-4 Trinity, a revolutionary 3-in-1 sauna that blends the best of all worlds. Why choose between infrared and traditional steam when you can have both? The FD-4 Trinity is meticulously engineered by Finnmark Designs to deliver a versatile and powerful therapeutic experience. It combines deep-penetrating Spectrum Plus™ infrared heaters, a classic high-heat electric heater for invigorating steam, and a built-in medical-grade Spectrum Red Light™ therapy panel. This all-in-one design allows you to customize every session to meet your exact wellness goals, from deep detoxification and muscle recovery to skin rejuvenation and pure relaxation, making it one of the most advanced infrared saunas available.
| Model | FD-4 |
|---|---|
| External Materials | Thermo-Aspen |
| Interior Materials | Western Red Cedar |
| Volts | 120V |
| IR Watts | 1750W |
| Amperage | 15/20 Amp |
| Plug Type | NEMA 5-15P |
| Maximum Temperature | IR 170°F / Traditional 190°F |
| Interior Dimensions | 44.25" W x 45.5" D x 75.5" H |
| Product Weight | 437 lbs |
Yes, the Finnmark FD-4 Trinity is designed for ultimate flexibility. You can use each therapy mode independently—just infrared, just steam, or just red light—or you can combine them to create a customized wellness session tailored to your needs. This makes it one of the most versatile indoor saunas on the market.
No, one of the key advantages of the FD-4 is that it operates on a standard 120V outlet and can be plugged into a common 15 or 20 amp circuit. No electrician is needed for setup, saving you time and money.
The sauna is designed with a spacious two-tier bench system that comfortably accommodates up to three adults. It is an excellent model within our range of 3 person saunas.
Western Red Cedar is naturally antimicrobial and aromatic. It helps prevent the growth of mold, mildew, and bacteria, ensuring a clean and hygienic sauna environment. Its pleasant aroma also enhances the relaxation experience.
Maintaining your sauna is simple. The cedar interior requires minimal care; you can wipe down benches with a damp cloth after use. Avoid using harsh chemical cleaners. For detailed instructions, check out our helpful guide on how to clean an infrared sauna.
The Spectrum Plus™ heaters in the FD-4 are short-wave infrared heaters, which are up to 25 times more powerful than the flat carbon panel heaters found in many other saunas. This means they produce a more intense, deeply penetrating heat that can induce a heavier sweat for better detoxification and pain relief.
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