Fangrui Product Details Water Filter: Reusable Spin-down Whole House Prefilter, Designed To Protecting Your Entire Plumbing System From Sediment, Rust, Dirt And Sand. 40-60 Micrometre Filtration: Prefilter Has The Filtration Rate To Protect For The Most Sizes Of Large Particles. It Made Of Safe Material To Safe Your Health. High Protection Level: Your Kitchen, Bathroom And Plumbing System Will Be Safe To Be Damaged By City Or Well Water. It Will Will Increase The Service Life Of Your Washing Machine, Water Purifier And Other Water-related Equipment And Appliances Such As Faucets, Shower Heads Etc. Colour: As Shown Material: Copper Size: 19x9.1cm Package Contents: 1 * Water Filter Only The Above Package Content, Other Products Are Not Included. Note: Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.