MSR Hyperflow Cartridge Replacement Kit
The MSR HyperFlow Microfilter Replacement Cartridge swaps into your ultralight HyperFlow MicroFilter when your flow gets low. This cartridge utilizes MSR's Hollow Fiber Technology and pumps around three liters of water per minute. Clean your Hyperflow easily in the field, knowing that each cartridge lasts through approximately 1,000 liters, depending on water quality. The MSR HyperFlow Microfilter received a 2008 Editors' Choice Award from Backpacker Magazine.
Prop 65 O (Styrene): This product can expose you to styrene, which is known to the State of California to cause cancer.