Source Outdoors Helix QMT Valve Kit (Coyote)
Source Helix Valve Kit QMT . 2”L x 1.2”W x 1.2”D Unpackaged. Packaged weight: .04 lbs. Fits all QMT hydration tubes. Exclusive Helix design delivers high flow with minimal bite pressure. Omni directional operation. Integrated twist shut-off. Long wearing design.