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. Certified filtration: The Waterdrop water filter is NSF 42 certified for the reduction of chlorine, taste and odor. It is also NSF 372 certified for lead-free material. Drink more water everyday with Waterdrop. 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 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? Using multi-stage water filter technology, this water filter pitcher can effectively reduce PFAS, PFOA/PFOS, arsenic, fluoride, and other impurities in water, tested by a third lab. Exclusively fast flow rate: Waterdrop water filter replacement has an extremely high fast flow rate of 0.3gpm, 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.