Water Bottle Canvas Pre-Filter | Fits GRAYL Filters Size:GeoPress or whatever else you make

or whatever else you make it

tether hole at base of handle (tether not included)

Teeth Per Inch: 6

A sturdy member of the Bushcraft family

Water Bottle Canvas Pre-Filter | Fits GRAYL Filters Size:GeoPress or whatever else you makeThis canvas pouch serves as a Pre Filter for your Grayl purification system. This simple canvas bag allows you to increase the longevity of your Grayl filter by first ridding your water source of turbidity (scum, leaves, debris). Simply use your nesting cup to pour water through the canvas, catch the water in your Grayl container, and press per usual. You will be surprised at how much sediment and debris the canvas arrests before allowing water to go