Sawyer SP303 Point One Squeeze Water Filter System with 2L CNOC BladderThe Sawyer SP303 Point One Squeeze Water Filter System with 2L CNOC Bladder pairs the Sawyer Squeeze filter with a rugged, wide mouth 2 liter CNOC bladder. The bladder is made from extra durable TPU and designed for fast, easy filling, whether used solo or with a crew. Included: 1 Squeeze filter 1 CNOC 2 liter 64 ounce bladder 1 cleaning coupling 1 syringe Key Features: 0. 1 micron absolute hollow fiber membrane filter Removes 99. 99999% of bacteria,