Finnmark Designs 3-4-Person Full Spectrum Infrared Sauna | FD-KN003



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Finnmark FD-3 Full Spectrum Infrared Sauna, 4-Person Home, 72”W, 46”D, 78”H

The Spectrum Carbon 360 infrared heater technology in this four-person sauna will help you get to temperatures of 170 degrees Fahrenheit in about an hour. The short-wave infrared panels produce heat waves that can penetrate your body well and provide you the refreshing experience you deserve out of an infrared sauna. The sauna also comes with an LCD touchscreen control system¸ plus you can link a Bluetooth device to the six-inch speakers on the inside. The 8mm tempered glass door keeps the warm air inside, and the safe wool insulation provides a consistent space that won’t leak. You can also remove and adjust the feet on the bottom part of the sauna, helping you get this sauna ready in various indoor environments.


  • Capacity: 4 people
  • Exterior Dimensions (inches): 72” W x 46” D x 78” H
  • Interior Dimensions (inches): 67” W x 41” D x 70” H
  • Wood: Thermo-Aspen exterior, Western Canadian Cedar interior
  • Wattage: 3150W
  • Door: 8mm tempered glass door
  • Door Size (inches): 23.5” wide, 67.75” high
  • Weight (pounds): 488
  • Installation: Requires a NEMA 6-15P three-prong plug and 240V/1PH/15A electrical connection

Health Benefits

Benefits of Infrared 

  • The technology of the Spectrum Plus incoloy heaters warms your core body temperature, producing a cleaner, healthier sweat while lowering blood pressure, and maintaining heart health.
  • The natural heat produced by the Spectrum Plus heaters is designed to achieve a more controlled hot climate much like a traditional sauna without the unbearable heat temperatures. This deeper penetration through sweating goes beyond the muscle and fat rather than a traditional or hot air sauna.  As a result, you’re able to work up the best possible sweat in the least amount of time.
  • Spectrum Plus heaters remove 17% more toxins such as cholesterol, fat-soluble toxins, toxic heavy metals, sulfuric acid, sodium, ammonia and uric acid.
  • Full Spectrum Sauna combination of long-wave Spectrum Carbon 360 infrared panels with UL-listed short-wave Spectrum Plus™ infrared panels. This combination provides higher temperatures, full body coverage, deeper penetration, and better experience than any other sauna.
  • Reap the benefits of a more natural pain relief remedy with every infrared sauna session.
  • Athletes can appreciate a faster muscle recovery with increased blood flow to the muscles, delivering more concentrated oxygen and creating more energy to heal.


The following items are included:

  • Bottom Panel
  • Top Panel
  • Back Panel
  • Front Panel
  • Left Panel
  • Right Panel
  • Glass Door
  • Bench Support
  • Bench Top
  • Heater Cable
  • Floor Cable
  • Screws
  • Power Supply Unit
  • Power Cable
  • Interior Heater Connections with Wood Cover
  • Door Handle (2 Screws)
  • Removable and adjustable sauna feet for uneven surfaces
  • Infrared Sauna Heater Panels
  • Spectrum LED near infrared ceiling lights combined with medical grade Spectrum Red Light therapy
  • Controller 2.0, built-in LCD touchscreen control panel with Bluetooth audio
  • Audio upgrade with 6″ HiFi speakers, 8mm tempered glass for the ultimate thermal retention
  • ETL Certification
  • Limited Warranty


Model FD-3
External Materials Thermo-Aspen
Interior Materials Western Canadian Cedar
Volts 240
Watts 3150
Amperage 15
Phase Single
Plug Type NEMA 6-15P
Outlet 240v 15a
Maximum Temperature 170F
Interior Dimensions 67″W x 41″D x 70″H
Exterior Dimensions 72″W x 46″D x 78″H
Room Volume 111.3 cu. ft.
Door Dimensions 23.625″W x 67.875″H
Door Handle Dimensions 1.875″W x 11.625″H
Glass Thickness 8mm
Product Weight 488 lbs
Shipping Dimensions 36″W X 78″D
Shipping Weight 536 lbs W/48 lb Pallet


Finnmark FD-3 Full-Spectrum Infrared Sauna

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