This 10 inch 5 micron hi-temp sediment wound filter cartridge is made of melt blown polypropylene material and has an excellent chemical resistance. High quality food grade for potable water. It contains no leachable that could contaminate downstream. This cartridge is built with a stainless steel center tube and is rated for temperatures up to 200 F (93 C) and the water pressure is rated up to 40 PSI.