Big Blue 20-inch Matrikx Pb1 Lead Filter

Filter is ~4.5"x20" and fits standard Big Blue filter housings Matrikx 0.5 micron nominal filtration along with reduction of lead, chlorine, cyst, heavy metals and a wide range of chemicals. Big Blue 20" Filter measures 20-inch long and 4.5-inch in diameter. Standard Big Blue Size Fits in all standard 20" Big Blue filter housings. Product Description Replacement filter is capable of reducing lead, chlorine, cyst, heavy metals and a wide range of chemicals. It also offers 0.5 micron nominal filtration to remove visible particulates and removal of most tastes and odors in the water. Typical life expectancy varies greatly depending on water parameters and useage. Recommended replacement is at least once a year, with every six months typical.