The Source Military Convertube is a practical accessory that turns almost any water bottle into a hydration system. Included is a drinking tube with push-pull valve as well as various adapters that you can screw onto most standard water bottles. The adapters are included in sizes 24 mm, 42 mm and 63 mm. Then simply connect the tube and you have a hydration system that leaves your hands free while still giving you access to the drink in your backpack.

- Valve: push-pull opening
- Dimensions: 94 x 35 cm
- suitable for e.g. Sigg / Laken / Nalgene / Evian / standard PET