Sawyer SP129 squeeze filter, 84 gms only, brand new, purchased for recent trip but unused.
The most versatile filtration system on the market. This system is currently in use with UK Special forces, and several other Military units around the world.
•1 - 1 Litre Lightweight Durable Collapsible Pouch
•Sawyer 0.10 Absolute Micron Hollow Fiber Membrane Screw On/Off Water Filter (filter fits onto most threaded water bottles including 2 litre bottles).
•Replaceable Pop Up Drinking Spout
Life Expectancy: 1 Million Gallons Guaranteed.