High Density 10-Inch 5 Micron PP Spun Filter for pre Filter of All Type RO Water PurifiersSay goodbye to dirty water and hello to purity! Keep your RO running longer and your water crystal clear with HRK 10 High Density Spun Pre Filter. Removes Sand, Dust, Rust & Impurities 3X Dirt Holding Capacity Fits All Standard 10 Housings Long lasting protection for your RO system! 10 Inch High Density Spun Pre Filter (5 Micron PP Spun) ensures cleaner, healthier, and better tasting water by removing visible and invisible impurities before they reach