Quick Summary
The GRAYL UltraPress 500ml Water Purifier Bottle in Forest Blue is a purifier and filter bottle for hiking, backpacking and travel. It is designed for water treatment on the move and comes with a stated 500 ml capacity.
The listed specification also includes cartridge cycle guidance, exact removal claims, and reference to independent testing and named standards. Those details matter if you are comparing filtration level, replacement timing and compliance claims for the exact bottle you want.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | GRAYL, for clear product identification. |
| Product type | Water purifier and filter bottle, suited to buyers wanting a bottle with built-in treatment. |
| Capacity | 500 ml, which is the stated bottle size. |
| Colour | Forest Blue, useful when choosing the right variant. |
| Cartridge lifespan | Rated for 350 cycles or 65 gal. / 250 L, with replacement timing also linked to press time and elapsed time. |
| Materials | Polypropylene #5, food-grade silicone, TPE and ABS food-grade plastic, with BPA-free materials stated. |
| Testing and standards | Independently tested to meet or exceed NSF protocol 42 and 53, and the EPA Guide Standard and Protocol for microbiological water purifiers. |
What to Compare Before Buying
- Capacity: The bottle is stated as 500 ml, so compare that size with how much treated water you want to carry at once.
- Cartridge life: The stated cartridge rating is 350 cycles or 65 gal. / 250 L, so check whether that replacement cycle suits your planned use.
- Removal claims: The bottle includes specific claims for viruses, bacteria and protozoan cysts, so compare those claims with the type of water treatment you need.
- Variant: Forest Blue is the stated colourway, so confirm you are choosing the exact version you want.
What Else You May Need
A replacement purifier cartridge may be needed when the stated cycle guidance is reached. Check the cartridge replacement timing before you rely on the bottle for longer-term use.
Before You Decide
Confirm the 500 ml size, Forest Blue variant and cartridge cycle guidance before choosing an offer. If the treatment claims, standards and replacement timing matter to your plans, check them against the exact bottle version.
