Purify your water before you fill your pool\r\nor spa with the new Micro-Klean fill\r\ncartridge. Our pre-filter is 90% efficient and\r\nremoves the following contaminants; dirt,\r\nsediment, rust, calcium, iron and copper.\r\nAttach the filter to the end\r\nof any garden hose and begin the fill\r\n...it’s that simple!