Platypus Big Zip SL Drink Tube Kit is a replacement hose for Platypus Big Zip Resevoirs, they come with a hyper flow bite valve and a shut off valve.

Specs:
Weight 56.5 g
Inner diameter .635 cm
Length 102 cm
Compatible with Big Zip SL
Material(s) Polyurethane
Bite valve material Silicone
SOV material Polypropylene / High Density Polyethylene
Made in USA