MSR AutoFlow Replacement Filter Cartridge

Replacement filter cartridge for the MSR AutoFlow XL Gravity Filter system Restore flow rates in your MSR AutoFlow Gravity Filter by replacing a tired, worn cartridge with fresh, new Hollow Fiber filter Easily field maintainable with regular backflushing to maintain 1.75 L/minute flow rate Hollow fiber design meets EPA Guide Standard testing and NSF Protocol P231 to remove 99.9% of protozoa and 99.9999% of bacteria Weights just 2 oz and measures 6 in x 2 in Cartridge lifespan of 1,500 Liters Made in the USA Now lighter! Hollow fiber Updated for 2015!, Weight: 0.11 Pounds, Manufacturer: MSR