Source Universal Tap Adapter: Refill Your Hydration Bladder On The Go
Another accessory offering convenience is the Source Universal Tap Adapter.
The adapter allows you to fill up your hydration pack from the end of the tube you drink from, allowing its user to keep her pack on. A simple design for a simple job.
Can you use something like this? Maybe. It isn’t extremely inconvenient to refill the conventional way, after.