Grayl Ultra Press One-Way Drink Mix Valve Silva Avoid touching the adhesive once

Avoid touching the adhesive once the film backing is removed

Drop shoulder for more relaxed fit and range of motion

A safety whistle is incorporated in the grab loop for added safety and also to clip the skirt to your life-jacket to help keep it out of the way when off the water

fish species and the incredibly detailed land and waterscape you've come to expect from The Adventure Map™

A: You will need two pairs of Landing Pads

Grayl Ultra Press One-Way Drink Mix Valve Silva Avoid touching the adhesive onceDescription Features Specifications A feature no other drink thru filter bottle can deliver, the One Way Valve for the UltraPress allows electrolytes and sport drink mixes to be added to clean purified water without compromising the integrity of the filter. Note: an UltraPress One Way Valve is now pre installed in every UltraPress. Enjoy a drink mix no matter where your adventure takes you. Replace electrolytes lost in sweat and hydrate quickly. Four