Grayl Ultra Press One-Way Drink Mix Valve Silva 5" x 17" / 9

5" x 17" / 9 x 9 x 43cm

1lb 9oz (710g)

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

Did your dog chew the valve off your brand-new Therm-a-Rest® mattress

A: You will need two pairs of Landing Pads

Grayl Ultra Press One-Way Drink Mix Valve Silva 5" x 17" / 9Description 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