The PENTAIR RESIDENTIAL FILTRATION P1-20 is a high-performance spun polypropylene filter designed for residential water filtration systems. This filter effectively removes sediment and particulate matter, ensuring clean and safe drinking water. With a 20-micron rating, it is ideal for various applications, including pre-filtration for reverse osmosis systems. The durable polypropylene material is resistant to chemicals and provides excellent flow rates. Measuring 4.5" x 20", this filter is compatible with standard filter housings and meets ANSI/NSF standards for quality and safety.