Eliminate the burden of hot spring baths! A radon inhaler box for easy daily care at home.

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Radon inhalation device "Yujibako"

last updated：Aug 07, 2026

日本箱産業

For those troubled by the burden and cost of traveling long distances! We recreate a high-concentration radon space in a compact area, enabling continuous self-care with zero travel stress.

Do you have any of these concerns? - I want to visit famous hot spring resorts, but my physical strength has declined, making long-distance travel and going out difficult. - The burden of transportation and accommodation costs for regular trips to distant places is too heavy to continue. - I can't find a proper self-care method that I can consistently engage in at home every day. The radon inhaler "Toji Box" fundamentally solves these issues. ◇ Reproduction of high-concentration radon space: The device forms a high-concentration space inside its tank. It is designed to efficiently take in radon in a short time. ◇ Easy-to-carry portable design: It can be installed in any room of your home. You can freely move it to the bedroom or living room. ◇ Direct inhalation structure: It adopts a method of direct inhalation through the mouth, allowing for efficient and waste-free inhalation of generated radon. By reducing the physical pain of travel and ongoing costs, you can create an environment where you can relax at home and continue your routine every day. *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 (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

【Target Audience's Condition and Environment】 - Home care for those who find it physically difficult to travel to distant hot spring resorts or specialized facilities. - Seniors who want to engage in daily preventive health measures, maintain their health, and recover from fatigue at home every day. - Families who want to establish daily habits that can be continued together with family members during home therapy after discharge from the hospital. 【Specific Concerns and Usage Scenarios】 - Situations where one wants to perform care in their living room at home at their preferred time, unaffected by weather or personal health conditions. - Scenarios where one wants to create a refreshing space at home even when they have to refrain from traveling or going out. - Installation processes in rental housing or small spaces where large equipment installation is not feasible. - Situations where one wants to reduce the time burden on family members accompanying them on long trips and alleviate the burden within the household. *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 effects with intensive therapy, strengthening self-immunity with intensive therapy, cancer is not 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 inhaling radon deep into the lungs, daily radon hot spring therapy effects, a one-of-a-kind, affordable supplement that can be used for a lifetime from 0 years old, regardless of generation.