Easy radon inhalation at home | Self-care with thermal effects from humidity and far infrared rays.

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Radon Inhalation Device "Yujibako"

last updated：Sep 30, 2026

日本箱産業

Efficient inhalation with a radon concentration about 1000 times higher than that of a hot spring! It uses a built-in heater to warm the water, allowing you to use it every day at your preferred timing.

The "Yūji Box" is a compact inhaler that allows you to inhale radon at your home on your tabletop. Responding to voices like "It's tough to go to the facility every time" and "I want to avoid installation work and high costs," it provides an easy inhalation environment with a built-in heating mechanism. 【Recommended for these concerns】 ◆ It's difficult and costly to travel to distant bathing facilities every time ◆ Large equipment is hard to place and the initial costs are too high to consider ◆ If preparation and cleanup are bothersome, it won't last as a daily habit <Reasons for being chosen> ・Designed to efficiently inhale radon at a concentration about 1000 times that of a hot spring ・Compact size that operates anywhere with just a power source and water, no need to choose a specific installation location ・Quickly generates warm steam with a built-in heater, eliminating the need for troublesome maintenance *For more details, please download the PDF document or feel free to contact us.

Inquire About This Product

basic information

【Specifications (Partial)】 ■Size: [W]220mm × [D]220mm × [H]390mm ■Body weight: Approximately 5kg *Body only (excluding power cord) ■Radon concentration: Approximately 2 million bg or more ■Power supply: AC100V ■Power consumption: 24W *For more details, please download the PDF document or feel free to contact us.

Price information

The "Yuuji Box" is a compact inhaler that allows you to easily inhale radon at home. It can be started at a low price and is suitable for personal use. Sales price: ¥485,000 (excluding tax) and up.

Delivery Time

Please contact us for details

Applications/Examples of results

【Provision of Mobile Care Services within Facilities】 We support operations in nursing and welfare facilities that wish to provide self-care in individual spaces by moving equipment to each resident's or user's room. 【Installation of Space-Saving Health Support Corners】 In waiting areas of small offices or clinics where a large space cannot be secured, health support devices can be utilized compactly. 【Care at Home or in Personal Rooms Avoiding Mobility Risks】 Ideal for use in settings where care is desired to be performed at a fixed time every day in a familiar personal room, avoiding the physical exhaustion and infection risks associated with going out. *For more details, please download the PDF document or feel free to contact us.*

Detailed information

Radon inhaler, hot spring therapy box, complete radon hot spring effect with intensive therapy, strengthening self-immunity with intensive therapy, cancer is no longer scary with intensive therapy, suppressing immune overreaction with intensive therapy, daily health with intensive therapy, intensive therapy continues to the next generation, the hot spring therapy box can be used for the next generation, semi-permanent use, with just the hot spring therapy box, there is no worry about illness and a lifetime of peace of mind, made in Japan with a unique patented product, excellent hormesis effect by allowing radon to penetrate deep into the lungs, daily radon hot spring therapy effects, a unique and affordable supplement that can be used for a lifetime from 0 years old, regardless of generation.