American Red Cross 4-Stage Water Filter, Four-Stage Filtration Stage 1: Coarse Filter Screen Filters out large particles Increases performance and longevity Stage 2: Medical Grade PP Cotton Filter Filters sediment, rust, silt and other impurities in water Stage 3: Activated Carbon Reduces bad odors Improves taste of water Stage 4: Hollow Fiber Membrane Removes 99.9999% of bacteria Removes 99.997% of parasites Reduces microplastics Testing, Capacity & Materials Meets NSF P231 testing protocol and US EPA Standards for removal of bacteria and parasites Filters up to 396 Gallons (each) Chemical free filtration Made with BPA-free materials Dimensions: 6.7” long x 1” diameter; Weight: 2oz


•Four-Stage Water Filtration system:


•Stage 1: Coarse Filter Screen Filters out large particles Increases performance and longevity.


•Stage 2: Medical Grade PP Cotton Filter Filters sediment, rust, silt and other impurities in water.


•Stage 3: Activated Carbon Reduces bad odors Improves taste of water.


•Stage 4: Hollow Fiber Membrane Removes 99.9999% of bacteria Removes 99.997% of parasites Reduces microplastics Testing, Capacity & Materials Meets NSF P231 testing protocol and US EPA Standards for removal of bacteria and parasites


•Filters up to 396 Gallons (each) Chemical free filtration


•Made with BPA-free materials and dimensions are 6.7” long x 1” diameter; Weight: 2oz