1 set of replacement filters with following. 1 x PP Sediment Filter. Three-layers structure cartridge, High contaminant holding capacity. 100% PP Polypropylene for compatibility with a wide range of process fluids. 5 Micron, Micro-Denier melt-blown filtration fiber, high removal ratings. Formed by thermal bond without use of any binders and adhesives. Certificated by NSF42 and FDA CFR Title 21. (Not printed on the filter label). Maximum Flow Capacity: 1 – 20 GPM. Maximum Operating Pressure: 125 PSI. Operating Temperature Range: 40-100°F. 1x Big Blue Cation Resin Filter. Big Blue filter housings. Operation Temperature Range: 40°F-100°F. Operation Pressure Range: 40-75 PSI. All filters are individually wrapped. 1x CTO carbon filter. CTO 20 SM Coconut shell Carbon Filter. Remove chlorine, turbidity, bad taste & odors, sediment, dirt, and THMS from water. Total 3 filters, each individually wrapped. The item “Max Water whole House Water Softening Filter Set 20 x4.5 Sediment, Cation, CTO” is in sale since Tuesday, March 16, 2021. This item is in the category “Home & Garden\Kitchen, Dining & Bar\Small Kitchen Appliances\Water Purification\Water Filters”. The seller is “max.water.usa” and is located in Tonawanda, New York. This item can be shipped worldwide.