Kriega® - 3L Reservoir+Tube Hydration reservoir option for R15, R20 and R25 rucksacks. Hydrapak Manufactured by Hydrapak for Kriega, the reservoir option includes an insulated drink-tube with 90 degree bend bite-valve and velcro tube management component: Reversible for easy clean/dry - essential feature that keeps the reservoir in top condition, time after time. Other features include a removable(dry-break) drink-tube with the touch of a button and a super wide-fill opening to allow easy reservoir-fill outside of the rucksack. CARE INSTRUCTIONS: Turn inside out, wash and dry. Complete drying is the only way to ensure no microbial growth. This is easy with the Hydrapak system as it is the only reservoir on the market that can be turned inside out. EasyFlo bite valve includes shut-off mech(push in to close) and a velcro tube-management component, which allows quick and easy harness location. CARE INSTRUCTIONS: Designed to split into 3 parts for cleaning. Remove the soft cover. Pull apart the internal pieces. There is an indent where the slider naturally stops and you just need to keep pulling it pasy this point. All 3 pieces will go back together again and work as normal. To clean tube, a brush kit is the easiest, especially if sports drinks are put in the reservoir. Otherwise, remove from reservoir(dry-break), rinse and dry between uses.If you have to take your bite-valve out of the tube frequently, you can cut 10mm off the drink tube to keep the connection tight. Cutting tube does not have to be done everytime you take out the bite-valve. Tech Specs 3-litre (100 oz) capacity - Reversible for easy clean/dry - Wide fill (sliding seal) - Plug-N-Play (dry-break) - Insulated drink-tube - Velcro - drink tube management – Quick-release buckle (rucksack) - FDA approved polyurethane - Neoprene tube insulation - LIFETIME warranty. Bite Valve