Potable Aqua Water Purification Tablets - 50 Tablets Durable helmet designed for caving:

Durable helmet designed for caving:

stiff and light

ergonomic construction makes it easy to adjust and provides a stable and comfortable fit

Rope compatibility: for use on 8 - 13 mm diameter ropes

Potable Aqua Water Purification Tablets - 50 Tablets Durable helmet designed for caving:Made In The U. S. A. , 50 Tablets Per Bottle , Great For Campers And Backpackers , Very Effective Against Giardia , Makes Questionable Water Bacteriologically Safe , Add Two Tablets To One Quart Or Liter Of Water , Good For Four Years Active Ingredient Tetraglycine Hydroperiodide Add 2 Tablets per 1 Quart or Liter of Water Made in the USA 50 Tablets per bottle Proven effective in eliminating Giardia lambia when used as directed.