Finnmark FD-4 Trinity 2-Person Home Sauna – Infrared, Steam & Red Light Therapy Combo [FD-KN004] (SAK41865)

Experience the ultimate 3-in-1 home wellness retreat with the Finnmark FD-4 Trinity 2-Person Sauna. Combining Spectrum Plus™ infrared heat, a 1.9kW traditional steam heater, and a 192-diode Spectrum Red Light™ Therapy panel — all in one antimicrobial Western Canadian Cedar cabin — this is the most comprehensive at-home sauna experience available.

• Spectrum Plus™ infrared heaters — delivers heat up to 25x more effective than standard carbon panel heaters, penetrating deep into muscles and joints for genuine restorative warmth.
• 1.9kW traditional steam heater with hot rocks — splash water on the rocks for authentic Finnish steam sauna sessions with intense heat and full detoxification benefits.
• 192-diode Spectrum Red Light™ Therapy panel — medical-grade red light therapy stimulates collagen production for radiant, healthier-looking skin during every sauna session.
• Antimicrobial Western Canadian Cedar interior — naturally resists mold and bacteria for a hygienic, long-lasting sauna environment.
• Thermal Plus™ Aspen exterior — durable, beautifully finished exterior built for long-term performance and aesthetics.
• 2-person capacity — ideal for couples or personal use with ample space for comfort during all three therapy modes.
• Easy everyday use — intuitive controls make switching between infrared, steam, and red light therapy modes simple and convenient.
• Free USA shipping — packed and shipped within 1–3 business days, delivered in 5–10 business days.

Who it's for: Wellness-focused homeowners who want the most complete at-home sauna experience — combining infrared therapy, traditional Finnish steam, and red light therapy in a single premium cabin.

Frequently Asked Questions

What are the three therapy modes?
The Trinity combines Spectrum Plus™ infrared heat (deep muscle penetration), traditional 1.9kW steam (authentic Finnish experience), and 192-diode Spectrum Red Light™ Therapy (skin health and collagen stimulation).

How is the infrared heat different from standard saunas?
The Spectrum Plus™ infrared heaters provide heat up to 25x more effective than standard carbon panel heaters, penetrating deeper into muscles and joints for a more restorative experience.

What wood is the interior made from?
The interior is crafted from antimicrobial Western Canadian Cedar, which naturally resists mold and bacteria. The exterior features Thermal Plus™ Aspen for durability and a premium finish.

Where can I find the manual and specs?
Brochure  |  Spec Sheet  |  User Manual