Frontier Pro GRN LINE Replacement Filter - GRN-III-50

The Frontier Series III GRN Line Filter has earned the stamp of approval from backpackers, preppers, and survivalists alike. Minimal weight, quality design, and maximum connectivity are the signature features of this filter. Improved to include a replaceable bacteria-grade filter, the Frontier Pro offers a robust 2 oz. defense against the common culprits that cause waterborne illnesses. Product Features - GRN Line Bacteria Filter with up to 500 ml/minute flow rate - Miraguard™ Antimicrobial* Technology suppresses the growth of bacteria, algae, fungus, mold and mildew within the filter media - Filters 50 gallons - BPA free, chemical free, and iodine free - Filter made in the USA