Pack Of 3 Wound Sediment Filters 10" x 2.5" Regular Diameter These Wound Sediment Filters are manufactured from WRAS approved Polypropylene string, with a Polypropylene core. Compatible with all standard 10" x 2.5" regular diameter filter housings, commonly used as part of drinking water system or pre-uv and reverse osmosis. Polypropylene has excellent chemical compatibility making it suitable for use with reverse osmosis and other pure water applications. Sediment filters are regularly used as a first defence filter to trap particulate and prevent the premature blocking of membranes, UV systems and carbon filters, to prolong their lifespan. Available In 1,5,10,25,50 and 100 micron ratings.