Authentic Japanese product with full international tracking.

Tracked worldwide shipping typically ¥1,200–¥2,300 depending on cart weight and destination.

GRAYL UltraPress Purifier with One-Way Valve is a slim press purifier bottle designed for hikers, travelers, and emergency kits. Using GRAYL’s purification and filtration technology, it can purify approximately 500 mL in about 10 seconds while remaining easy to carry in a backpack side pocket.

Why choose this product:

Fast 500 mL press purification, compact shape, and a removable one-way valve that helps protect the filter when carrying mixed drinks or powders after purification.

How to use:

Fill the outer bottle with fresh water, loosen the drinking cap half a turn, then press the inner bottle down into the outer shell. Replace the cartridge when filtration slows to about 25 seconds or more.

Who it may be useful for:

Excellent for trekking, travel, disaster preparedness, and anyone who wants quick access to safer drinking water on the move.

Important information:

Original weight: 354 g. Capacity: 500 mL. Filtration rate: about 500 mL / 10 sec. Cartridge life: about 300 cycles or 150 L. Do not use water above 50°C. Contact us if you want to check current color availability or other GRAYL models.