Easy to install accessories for Water Purifiers. Suitable For All Kinds Of Ro/Uv Water Purifiers Sales Package Includes 5 Pieces Of Konvio Spun and 1 Pre-Filter Housing Spanner / Wrench Sediment ro filter is normally used in first stage of multi stage water filter system. Frequently replacing of spun/sediment filter protects ro membrane and choking of other water filters. Impurities and sediment removal water filters. These are pre filters commonly used to remove dirt, impurities, sediment, rust, slime, sand, grass and grit RO 10 Inch set of 4 Spun, 5 Micron PP Spun Filter Cartridge/Candle used in RO Water Filter-Pre/Outer Filter Bowl.