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RJ-1 Portable Water Purifier, Made in Japan, for Disaster Preparedness, Emergencies, Outdoors, Camping, and Hiking

★★★★★ 4.9 rating · 39 reviews · 387+ sold
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Product Details

【Product Description】

This is a compact water purifier that allows you to carry safe drinking water from tap water at home or on the go. It can be used by attaching it to the included foldable water bottle (400ml), commercially available plastic bottles, or water tanks, making it convenient for various uses and locations.

Utilizing the latest hollow fiber membrane (0.1 micron) and granular activated carbon, it removes 99.9% of common bacteria, providing safe and delicious drinking water. Its compact size makes it easy to carry and ideal for everyday use, as well as for camping, hiking, sports, international travel, and emergency preparedness.

It can filter water from rivers, wells, rainwater, bathwater, and pool water, making it suitable for drinking. It is also recommended as a backup for disaster or emergency situations.

【Country of Origin】Japan

【Usable Water Sources】
・Tap water, groundwater, well water
・River, stream, and lake water where fish live
・Stored water in tanks, bathwater without bath additives
・Pool water, rainwater, snowmelt, etc.

【Unusable Water Sources】
・Water potentially contaminated with domestic wastewater, industrial wastewater, etc.
・Water potentially contaminated with pesticides, herbicides, etc.
・Water potentially containing toxic substances, harmful heavy metals, etc.
・Water potentially containing viruses, seawater, or other harmful substances

【Specifications】
・Filtration Material: Hollow fiber membrane (0.1 micron) + Special granular activated carbon
・Filtration Capacity: Approx. 400L (varies depending on water quality)

【Dimensions】
Approx. 130mm × 40mm × 160mm

【Accessories】
・Foldable container (approx. 400ml)

*Please dry the inside of the main unit before storing after use.
*Cannot filter seawater or radioactive substances.

Category
Emergency Goods
Condition
New/unused
Shipping
Included in price (by seller)
From
Hokkaido

Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.

Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.

Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.

Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.

Customer Reviews (39)

4.9
★★★★★
Based on 326 reviews
5 stars
90%
4 stars
10%
3 stars
0%
2 stars
0%
1 star
0%
M
User1479138
★★★★★
2026-11-07

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