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We took our go-to flask and\r\nadded filtration to create a system that delivers hydration without\r\ncontamination. The filter — light and compact — screws on top so you can drink\r\nright from the flask. Or — if you’re carrying more water — use the system to\r\nfill a bottle or reservoir. Care: Avoid freezing filter. Freezing may ruin the\r\nhollow fiber membrane. If in freezing conditions we recommend you keep the\r\nfilter in your pocket or near your body to prevent freezing. Effectively\r\nremoves common waterborne bacteria, such as E.coli (99.999%) and parasitic\r\ncysts (99.9999%) per HSF 42. Included in the package: - UltraFlask+ 500ml\r\nFlask - 42MM Filter Flask Cap - Bite Valve - BackFlush Adapter - Filter Manual\r\n- Basic Care \u0026amp; Use Instructions Specifications: - Capacity: 500 mL \/ 17 fl oz\r\n- Weight: 65 g \/ 2.3 oz - Dimensions: 240 mm x 70 mm \/ 9.4 in x 2.8 in -\r\nMaterial:TPU, Silicone POM, Hollow Fiber, ABS\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eFAST \u0026amp; SAFE FILTRATION: Included 42MM Filter Flask Cap removes 99.99% of E Coli \u0026amp; Parasitic cysts. Filters approximately 1,500 liters of fresh water at a rate of \u0026gt;1 L per minute.*\u003c\/li\u003e\r\n \u003cli\u003eHYDRATION VEST COMPATIBLE: Fits easily in most hydration vests, belts or pack pockets. Provides bounce-free stability and a flexible flask shoulder to prevent chafing.\u003c\/li\u003e\r\n \u003cli\u003eCOLLAPSIBLE FLASK: Soft material conforms to pockets, and shrinks as you drink to reduce movement and pack away easily when empty.\u003c\/li\u003e\r\n \u003cli\u003eINCLUDED BACKFLUSH ADAPTER: Plugs into filter valve and threads onto a HydraPak Stow or bottle of clean water for backflushing the filter to restore its flow rate.\u003c\/li\u003e\r\n \u003cli\u003eBEYOND LIFETIME WARRANTY: If you experience any issue, well repair or replace the item for free. Whatever it takes to keep your adventure going.\u003c\/li\u003e\r\n \u003c\/ul\u003e"}

HydraPak UltraFlask+ 500ml - Filtered, Compressible Soft Flask Water Bottle for Hydration Vests and Running Packs with Integrated Water Filter (500ml / 17oz)

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HydraPak UltraFlask+ 500ml - Filtered, Compressible Soft Flask Water Bottle for Hydration Vests and Running Packs with Integrated Water Filter (500ml / 17oz)

Lighten your load and drink right from the source. We took our go-to flask and added filtration to create a system that delivers hydration without contamination. The filter — light and compact — screws on top so you can drink right from the flask. Or — if you’re carrying more water — use the system to fill a bottle or reservoir. Care: Avoid freezing filter. Freezing may ruin the hollow fiber membrane. If in freezing conditions we recommend you keep the filter in your pocket or near your body to prevent freezing. Effectively removes common waterborne bacteria, such as E.coli (99.999%) and parasitic cysts (99.9999%) per HSF 42. Included in the package: - UltraFlask+ 500ml Flask - 42MM Filter Flask Cap - Bite Valve - BackFlush Adapter - Filter Manual - Basic Care & Use Instructions Specifications: - Capacity: 500 mL / 17 fl oz - Weight: 65 g / 2.3 oz - Dimensions: 240 mm x 70 mm / 9.4 in x 2.8 in - Material:TPU, Silicone POM, Hollow Fiber, ABS

Product Features

  • FAST & SAFE FILTRATION: Included 42MM Filter Flask Cap removes 99.99% of E Coli & Parasitic cysts. Filters approximately 1,500 liters of fresh water at a rate of >1 L per minute.*
  • HYDRATION VEST COMPATIBLE: Fits easily in most hydration vests, belts or pack pockets. Provides bounce-free stability and a flexible flask shoulder to prevent chafing.
  • COLLAPSIBLE FLASK: Soft material conforms to pockets, and shrinks as you drink to reduce movement and pack away easily when empty.
  • INCLUDED BACKFLUSH ADAPTER: Plugs into filter valve and threads onto a HydraPak Stow or bottle of clean water for backflushing the filter to restore its flow rate.
  • BEYOND LIFETIME WARRANTY: If you experience any issue, well repair or replace the item for free. Whatever it takes to keep your adventure going.

Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).

This product also comes with the benefits of the Warranty. For further details please read our Warranty Guidelines.

You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.