Big Zip™ EVO Drink Tube Kit - Past Season Racks & Carriers The heat pack reacts with

The heat pack reacts with a small amount of water to heat for up to 30 minutes

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Big Zip™ EVO Drink Tube Kit - Past Season Racks & Carriers The heat pack reacts withThe Big Zip Drink Tube Kit easily replaces a damaged or old drink tube on your Platypus Big Zip EVO Reservoir. 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. 1.