Radia IR 400U

3-Person Infrared Sauna

Fast Heat-Up Times

The 4-person FINSAUNA Radia IR 400U infrared sauna is the ultimate at-home wellness getaway. FINSAUNA infrared saunas are renowned for their efficiency, providing the industry’s fastest infrared sauna heat-up times. With the Radia IR 400U, bathers can reach the optimal temperature of 170° F in less than an hour on a standard home outlet!

Designed for Comfort & Consistency

The Radia IR 400U’s U-shaped bench creates the perfect environment to unwind and connect with others while enjoying even, consistent heat.Crafted with meticulous attention to detail, this sauna is designed to provide the most consistent and enjoyable sauna experience each visit.

Safety-Certified

FINSAUNA Radia-Series infrared saunas are UL-listed to ensure safety and compliance with rigorous standards. A UL listing provides bathers with peace of mind knowing that the product they invested in is a safe and reliable product. An essential feature for any home IR sauna!

Premium Materials

The Radia IR 400U’s interior and exterior features premium-quality Canadian Hemlock for long-lasting durability. Hemlock’s ability to provide comfort in changing thermal conditions makes it an ideal material for saunas.

Advanced Technology

FINSAUNA Radia saunas provide higher temperatures, full-body coverage, and deeper heat penetration than other infrared saunas. Each infrared heater in the Radia IR 400U is carefully selected to create a therapeutic heat that promotes maximum health benefits.

Expansive Glass Front

This sauna features an expansive front wall made of 6mm tinted tempered glass, providing excellent thermal retention while creating an open, airy atmosphere.

Vibrant Colored Lighting

The included ceiling lights create an added dimension of sauna bathing pleasure! The ability to adjust lighting intensity lets you create a relaxing, serene atmosphere or a more invigorating sensation based on your desired mood.