1 set of replacement filters with following. 25 x CTO Carbon Block Filter. Carbon Block Filter – Size 2.5 inch x 19 7/8 inch. 5 Micron nominal filter remove small particles and carbon fines may pass from second stage & to ensure 100% of chlorine removal from water. All filters are individually wrapped. Total 25 filters, each individually wrapped. This Filter pack available with different pack. The item “25 Pack 2.5 x 20 In Carbon Block Water Filter Whole House RO CTO 5 Micron” is in sale since Wednesday, October 30, 2019. 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 to United States, all countries in Europe, Canada.