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Traditional Barrel Sauna Design with Flat Floor
Choice of Wood-Burning or Electric Heater
Two Front-Facing Windows for Light & Views
Easy-to-Assemble Outdoor Sauna Kit
Dimensions & Capacity
Solid wood flat floor for stability
Compact footprint designed for outdoor spaces
Heating Options
Wood-Burning Heater: Authentic, traditional sauna experience
Electric Heater: Convenient and low-maintenance with quick heating
Science
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Experience the ultimate all-in-one wellness retreat with the Finnmark FD-4 Trinity, the only sauna that combines UL-listed Spectrum Plus™ infrared heaters, a traditional 120V sauna stove, and true medical-grade Spectrum Red Light™ Therapy. This unique blend allows you to enjoy both deep-penetrating infrared heat and the authentic steam sauna ritual without compromise.
With short-wave infrared that penetrates 25x deeper than standard carbon panels, plus the option to splash water on hot sauna rocks, you’ll enjoy a powerful detox, pain relief, and cardiovascular support. The added red light therapy stimulates collagen and protein production, promoting skin rejuvenation and overall vitality—making the FD-4 Trinity a complete wellness system.
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Combination of infrared heat, steam sauna, and red light therapy
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UL-listed Spectrum Plus™ heaters with Spectrum Carbon 360° panels
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Traditional 1.9kW sauna stove for authentic steam experience
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Red light therapy to boost collagen and skin health
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Reaches 170°F in under 1 hour on standard outlet
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Removes up to 17% more toxins for a deeper, cleaner sweat
Infrared, steam, and red light—three therapies, one sauna, endless wellness benefits.
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Features | ||||
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Material | Canadian Western Red Cedar | Canadian Western Red Cedar | Canadian Western Red Cedar | Canadian Western Red Cedar |
Size | 7' L × 7' W × 7' H (2–4 persons) | 8' L × 6' W × 8' H + 2' porch (4–6 persons) | 6' L × 6' W × 7' H (2–4 persons) | 8' L × 6' W × 6.5' H + 2' porch (4–6 persons) |
Science | Engineered for high heat retention with curved pod design; supports both electric & wood-burning heaters. | Cabin structure maximizes airflow and insulation; compatible with electric & wood-burning heaters | Compact build with efficient thermal insulation; available in electric or wood-burning heat. | Barrel shape ensures even heat circulation and faster warm-up times; supports both heater types. |

Restore • Recharge • Renew
Wellness Experiences, Elevated
At Aura Wellness Labs, we design spaces and products that help you feel your best every day.
From handcrafted cedar saunas to state-of-the-art cold plunge tubs and hyperbaric chambers, our solutions bring spa-level recovery to the comfort of your home.
Breathe deeper, recover faster, and create your own sanctuary of balance and vitality.