hydrapak water reservoir (1.5l, 2l, 3l) - hydration bladder fits most backpacks – high-flow bite valve, leak proof, fully reversible, and dishwasher safe 2 l is up for auction in Sports & Outdoors. The current bid is $1.00, 97% below the $39.95 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.