The Frontier Flow GRN Line Filter Bottle keeps you safe from waterborne illness on the trail. Easily refill from any river, stream, lake, or pond and carry up to 22 oz. with you as you enjoy the wilderness. The Frontier Flow includes a convenient finger ring for easy filling and carrying. The bite valve says clean thanks to the rigid dust cap. Squeeze the bottle to assist the flow of water through the filter.
This Frontier Flow comes with a Series II GRN Line Filter and is certified to EPA standards for the removal of bacteria, Cryptosporidium, and Giardia, NSF/ANSI-372 for lead free content and also reduces chlorine, and chemicals, while improving taste and odor.