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 youre 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