Capacity: 70 oz (2 L) The new Mil Spec Antidote(TM) Reservoir with Quick Link(TM) System-- the ultimate cure for dehydration. OPERATIONAL FEATURES: Quick Link(TM) Exit Port and QL HydroLock(TM) Bite Valve Adapter: tube clicks off for faster refilling with auto shut-off New Fillport: industry's largest opening with air-light A 1/4 turn open/close for quick, secure seal that can't be over-tightened; lighter weight lower profile design Low-profile, baffled design reduces reservoir stack and maximizes stability QL HydroLock(TM) offers easy, one-handed on/off water flow on drink tube Quick Link(TM) and QL HydroLock(TM) drink tube: quickly and easily attach any CPC accessory including the USMC standard filter Insulated drink tube cover prote Capacity: 50 oz (1.5 L) The new Mil Spec Antidote(TM) Reservoir with Quick Link(TM) System-- the ultimate cure for dehydration. OPERATIONAL FEATURES: Quick Link(TM) Exit Port and QL HydroLock(TM) Bite Valve Adapter: tube clicks off for faster refilling with auto shut-off New Fillport: industry's largest opening with air-light A 1/4 turn open/close for quick, secure seal that can't be over-tightened; lighter weight lower profile design Low-profile, baffled design reduces reservoir stack and maximizes stability QL HydroLock(TM) offers easy, one-handed on/off water flow on drink tube Quick Link(TM) and QL HydroLock(TM) drink tube: quickly and easily attach any CPC accessory including the USMC standard filter Insulated drink tube cover protects tube from harmful UV rays and abrasion. Capacity: 100 oz (3 L) SPEC Short The new Mil Spec Antidote(TM) Reservoir with Quick Link(TM) System-- the ultimate cure for dehydration. OPERATIONAL FEATURES: Quick Link(TM) Exit Port and QL HydroLock(TM) Bite Valve Adapter: tube clicks off for faster refilling with auto shut-off New Fillport: industry's largest opening with air-light A 1/4 turn open/close for quick, secure seal that can't be over-tightened; lighter weight lower profile design Low-profile, baffled design reduces reservoir stack and maximizes stability QL HydroLock(TM) offers easy, one-handed on/off water flow on drink tube Quick Link(TM) and QL HydroLock(TM) drink tube: quickly and easily attach any CPC accessory including the USMC standard filter Insulated drink tube cover protects tube from harmful UV rays and abrasion Hydration Capacity: 100 oz / 3 L Total Weight (Pack and Reservoir): 7 oz / 198 g Empty Reservoir Dimensions: 14 x 9 x 1 in (35.5 x 22.8 x 2.5 cm) Materials: 0.016 in [0.41 mm] thermoplastic polyurethane film > engineered thermoplastic handle > 42 in [106.75 cm] PureFlow(TM) tube Capacity: 100 oz (3 L) SPEC Long The new Mil Spec Antidote(TM) Reservoir with Quick Link(TM) System-- the ultimate cure for dehydration. OPERATIONAL FEATURES: Quick Link(TM) Exit Port and QL HydroLock(TM) Bite Valve Adapter: tube clicks off for faster refilling with auto shut-off New Fillport: industry's largest opening with air-light A 1/4 turn open/close for quick, secure seal that can't be over-tightened; lighter weight lower profile design Low-profile, baffled design reduces reservoir stack and maximizes stability QL HydroLock(TM) offers easy, one-handed on/off water flow on drink tube Quick Link(TM) and QL HydroLock(TM) drink tube: quickly and easily attach any CPC accessory including the USMC standard filter Insulated drink tube cover protects tube from harmful UV rays and abrasion