Platypus Drink Tube Kit BigZipEVO Lum2 Lumbar 2 Liter. Grab a separate kit for a partner or each member of the family if sharing reservoirs is on your agenda. Kits offer specific tube lengths optimized for each of the Big Zip EVO Reservoir sizes1.5L 2L 3L & Lumbar 2L. Includes a drink tube with quick-disconnect fitting a Big Zip EVO shutoff valve lapel attachment and a HyFLO bite valve. Specifications for Platypus Drink Tube Kit BigZipEVO Lum2: Manufacturer: Platypus Volume: 2 liters Package Contents: Platypus Drink Tube Kit BigZipEVO Lum2 BSA Platypus 11003: Drink Tube Kit BigZipEVO Lum2 Lumbar 2 Liter