EXCLUSIVE HELIX DESIGN DELIVERS HIGH PERFORMANCE WITH MINIMAL BITE PRESSURE. New QMT valve tip, offers the convenience of disconnecting the valve so the tube can be easily woven through tight openings. Helix Valve is compatible with Quick Mate Technology (QMT) such as UTA and other Source accessories. Valve features a rounded shape that requires no mouth orientation for easy use. A retreat spring mechanism allows soft bite as in single piece bite valve with leak proof capability that will not drip even under pressure or prolong use. Built-in "bio-net" style shut –off mechanism for no spill during transport. Requires no special mouth orientation. Additional In line SQCTM Quick Connector at the tube extremity, allows connection of filter, UTATM or other accessories with the push of abutton. Unique mechanism delivers full flow with just a soft bite. Integral lock - Integrated twist shut-off. Will not leak even under pressure or with prolonged use Turned 360 degrees for perfect valve/mouthorientation. Allows tube to be 25cm shorter. Less excess tube bouncing around the chest!

QMT: QMT quick connector with auto-sealing mechanism for easy connection of Helix Bite Valve to any SOURCE Drinking Tube featuring QMT. Design: Easy assembly and disassembly of drinking valve for cleaning. Dirt-Shield: protective cover keeps valve free of dirt, sand, dust, and pollution. Safety lock: twist-lock for complete shut-off during transport or storage. Helix Bite Valve: provides high water flow with just a soft bite at any angle; sophisticated spring sealing mechanism prevents leaking even under high pressure.

Inlet Connection Type: Helix. Item Dimensions LxWxH: 0.39 x 0.39 x 0.39 inches. Brand: Source. Material: Polypropylene. Date First Available: October 17, 2011. Best Sellers Rank: #98,379 in Sports & Outdoors. Customer Reviews: 4.6 out of 5 stars 441 ratings 4.6 out of 5 stars. : B005QI8S46. Size: ?One Size. Included Components: ?Hydration Valve. Model Year: ?2017. Part Number: ?4509500200. Manufacturer: ?Source. Number of Items: ?1. Suggested Users: ?unisex-adult. Material: ?Polypropylene. Color: ?Coyote. Model Name: ?Helix. Warranty Description: ?manufacturer. Country of Origin: ?Israel. Brand Name: ?Source. Item Weight: ?0.02 Kilograms. Item Dimensions LxWxH: ?0.39 x 0.39 x 0.39 inches. Package Weight: ?0.03 Kilograms. Item Package Dimensions L x W x H: ?4.96 x 3.58 x 1.02 inches.