This is for a hydration pack with 5/16" tubing.

Fill your hydration pack without removing it from your back pack!
Hydration pack not pictured and not included.

1. Cut your bite stem tubing off about an inch and a half from the bite valve.

2. On the bite valve portion push the male rapid fill connector completely on the tubing.

3. On the hydration bladder side push the female rapid fill connector completely on the tubing.

4. Push the filler tube with the second male quick release connector on to your Sawyer SP128 Mini / SP131 with the outflow inline adapter / SP181 with the outflow inline adapter / Any inline filter that accepts a 1/4" tubing

Now you can remove your bite valve and connect your filter to push clean water into your hydration pack.