New version: This WD-PF-01A Plus Waterdrop filter matches with All Waterdrop Pitcher Filtration Systems, including models WD-PT-05, WD-PT-05-L, WD-PT-07, WD-PT-04, WD-PT-72, WD-PT-61. It adopts advanced technologies and new designs to realize comprehensive upgrades and escalating functions. Effective filtration performance: Using multi-stage pitcher filtration technology, Waterdrop replacement water filter eliminates even minimum impurities and contaminants, such as PFAS, PFOA/PFOS, arsenic, fluoride, chlorine, even awful taste and odor to offer you healthier and purer water.(Tested by third party laboratory) Ultra-high absorptive ACF: Carefully selected materials of advanced ACF (activated carbon fiber) technology. It has 10 times more absorption capability than that of the ordinary ones. The application of the latest Japanese technology assures you of the quality and user experience. Long service life: Waterdrop water filter replacement can filter over 200 gallons of water before replacement. One filter replaces over 1600 standard 16oz water. Why not then save money and reduce plastic waste? Exclusively fast flow rate: Waterdrop water filter has an extremely high fast flow rate of 0.4gpm, allowing instant access to fresh, filtered water. The direct filter construction makes sure nothing is retained in the reservoir, ensuring your water is clean and pure.