RO filter is normally used in first stage of multi stage water filter system. Change of Spun/sediment Filter every month can save bigger expenses. 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. Clean drinking water is vital for health. If there are harmful substances in your water supply, home water filtration is the perfect solution. Suspended matter like sand, dirt, rust, loose scale, pipe corrosion, clay, and other organic materials can be reduced by sediment filters. ROYAL AQUAFRESH 5 Micron Pre Filter PP Spun Water Purifier are designed using thermally bonded pure polypropylene microfiber for superior chemical resistance and high purity filtration. The?spun filter cartridge?is an economical variant that is widely used for taste, odor and color removal from liquids. It has a broad thermal and chemical compatibility; hence is a popular choice for water filter housing.