1 set of replacement filters with following. 10 x Pleated Sediment Filters. 5, 10, 25 Micron Pleated Polypropylene Sediment Filter. Size 19 7/8″ x 4.5″ Fits most 20 Big Blue size housings. Used to Remove small particles & suspended matter such as silt, rust, sand, algae, sediment, scale particles from water. Meets FDA requirements for food and beverage contact. Washable filter to help minimize filtration costs. Operation Temperature: 40°F to 140°F. Low surface area, low pressure drop across filter stage. Total 10 filters, each individually wrapped. The item “(10) 20×4.5 Big Blue Whole House Washable Pleated Sediment Water Filter / Pool” is in sale since Tuesday, August 9, 2016. This item is in the category “Home & Garden\Other Home & Garden”. The seller is “max.water.usa” and is located in Concord, Ontario. This item can be shipped worldwide.