The Covert Black Cartridge is identical in function to the orange one, the only difference is the colour (designed for use with the Covert Black Filter bottle).
Made by GRAYL, this Purifier is a replacement cartridge for the GRAYL Geopress Purifier [+Filter] Bottle. The ultimate in purification and filtration technology, the replacement Purifier Cartridge makes clean, safe water from virtually any fresh water source and is designed for international travel, outdoor adventure and emergency use - anywhere in the world! And it provides full-spectrum purification (+filtration) provides ultimate protection against pathogens (viruses, bacteria, protozoa), particulates, chemicals and heavy metals.
It's suitable for the rigours of international travel, backpacking, hiking, camping, canoeing, fly fishing, hunting, survival and emergencies world-wide. The replaceable Purifier Cartridge life span is 350 uses (250 L), depending on water quality. The cartridge will require an increasing press time as its reaches the end of its lifespan, as impurities reduce the water flow. Once press time doubles (i.e. from 8 to 16 seconds), the Purifier Cartridge should be replaced. Stored under proper conditions, an unopened Purifier Cartridge has a shelf life of 10 years (making it ideal for emergency and bug out kits). After a cartridge has been used, it lasts at least 3 additional years.
W. Purifier lifespan: 350 uses (250 L). Purifier shelf life: 10 years. Made from BPA-free materials: ABS food-grade plastic and food-grade silicone. Compatible with GRAYL Geopress. What's in the box: one Replaceable Purifier Cartridge, Care & Use Manual. Tested according to NSF/ANSI standards: 42 + 53. Designed in Seattle, WA. Purifier media made in USA
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Shipping is charged per order, for any number of products. There are 2 shipping options:
£3.95 Priority Tracked : 2-3 days
£4.95 Express Tracked : 1-2 days
Note: Order by 3pm on weekdays for same day despatch.
Free Priority shipping for orders over £200.
Note the Discover WOWooO Promo more than covers shipping costs when you buy a few items!
* Available to collect from our Cornwall Showroom *