MSR Bullet Bite Valve is a great upgrade for your current hydration system. The MSR Bullet Bite Valve has the highest flow-rate on the market and is extremely versatile, fitting all standard drinking tubes.
Features : • Fits all standard hydration-system drinking tubes. • Features the highest flow rate on the market and a leak-proof design. • Weight : .2 oz / 5.7 g • Width : .67 in / 1.7 cm • Length : 1.5 in / 3.9 cm • Material : Silicon