Check the listing for details. Watts WPC20FF20 Pleated Water Filter 20" x 4.5" 20 Micron. Condition: New. Listed at 39.95 USD. Watts WPC20FF20 Pleated Water Filter 20" x 4.5" 20 Micron You set the rules for your home and the Watts WPC20FF20 replacement pleated water filter is a helpful enforcer against poor water quality that helps you rule the roost. Through the 20 micron, 20"x4-1/2" design, many contaminants such as dirt, turbidity, limescale, rust, sand, silt, and other common particulates and impurities are captured before they can reach point of use filters, form scale around fixtures, and negatively affect the performance of appliances. The last thing you want to deal with after investing into your property is pay long-term maintenance costs. The Watts WPC20FF20 uses an advanced synthetic pleated polyester technology that features a larger filter surface area, longer cartridge life, higher flow rate, greater dirt holding capacity, lower pressure drop, and more efficient sediment filtration when compared to other sediment filters which use different types of filter media such as resin, melt blown, spun, or string wound. The 100% synthetic cellulose-free pleated polyester media does not contain binders or additives. Good for whole house applications. Watts WPC20FF20 Specifications: Part Number: WPC20FF20Micron Rating: 20 MicronDimensions: 20"x4-1/2"Filter Media: Cellulose-free synthetic pleated polyesterFlow Rate: 1-25 gpmService Life: 3-6 monthsTemperature Range: 40 - 140 FMax. Operating Pressure: 40 PSI DifferentialRecommended Change Out: 25 PSI Differential