A new innovation in hydration technology! Turns a bottle into a hydration system in 3 easy steps. The convertube comes with different adaptors for different kinds of bottles.

SNP- Sigg/Laken/Nalgene/Standard PET
SEP - Sigg/ Laken/ Evian/Standard PET
SNEP-Sigg/Laken/Nalgene/Evian/S.PET