... organic matter and smell,residual chlorine ,pigment 2.Depth Filtration,Water flux more,long service life/cartridge 1.Filtrate Precise ... of ABS, ultrasound welding process, non-woven cotton can filter water particle impurities, still can prevent leakage activated carbon ... closely with plastic film sealed to prevent contamination, and keep the cartridge filter often in fresh 10 inch quick connect UDF ...