WatertoGo 75cL Water Purification Filter Bottle Removes Contaminants by 99.9% Color:Blue When you think of Thermal

When you think of Thermal underwear

Yellow nylon webbing accent and writing on center of exterior for visibility and easy pack identification

High visibility reflective strips makes you clearly visible so you stay safe

* Spray proof YKK zippers

WatertoGo 75cL Water Purification Filter Bottle Removes Contaminants by 99.9% Color:Blue When you think of ThermalOur unique 3 in 1 filter has been created based on technology originally developed for the NASA space programme. The filter works instantly to protect against bacteria, parasites and microplastics reduces chemicals like chlorine and improves water taste. The three technologies used in a Water to Go filter are: 1. Mechanical filtration; a very small pore size which stops contaminants passing through. 2. Electrical (by a positive charge) which reduces