The Hydrapak Packflask + 750ml is a hands free soft flask and filter combo for those of us with 'normal' hiking packs without large, running style front packets. Consisting of a 750ml TPU collapsible bottle, HydraPak hollow fiber filter and stretch mesh pouch with horizontal straps to attach to the shoulder strap of your pack. The filter removes Escherichia coli bacteria, Cryptosporidium parvum cysts, and Giardia Lamblia from approximately 1,500 liters of water at a rate of >1L per minute. It can be easily using the included backflush adapter which plugs into the filter valve and threads onto a HydraPak Stow or bottle of clean water for backflushing the filter to restore its flow rate. Hydrapak Packflask + 750ml features soft flask, durable TPU with RF-welded seams Dust cover protects the nozzle from dust 1,500 liters lifespan >1L per minute flow rate Hollow fiber filter Included backflush adapter Weight: 116g Capacity: 750ml Dimensions: 228 mm x 107 mm
