Filter Cartridges, Water Filter, Water Filter Cartridge manufacturer / supplier in China, offering Depth Pleated Larger Filtration Area Efa Od 159mm High Flow Large Filter Cartridge PP Filter Cartridge 40''/60'' 10 Micron, Factory Directly PP Melt Blown Filter Cartridge High Flow 154mm Od Sediment Cartridge Filter 10 Micron, High Quality PP Melt Blown Filter Cartridge 100% Pure Polypropylene 10''/20''/30''/40/'' Spun Filter 5 Micron and so on.