The replacement filter is interchangeable with PUR CRF-950Z, PPF951K, PPF900Z water filter; For use with PUR PLUS Pitchers and Dispensers: PPT700W, CR-1100C, CR-6000C, PPT711W, PPT711, PPT710W, PPT111W, PPT111R, DS1811Z, CR1100CV3, PPT700LA, CR1111WLCR, PDI4000ZAM and more. This filter is not sourced by or sponsored by PUR. The manufacturers name and part number have been used for reference purposes only. Authoritative NSF Certification: Through international authoritative NSF42 certification, the water filter replacement for pur can efficiently reduce residual chlorine in water and improve the taste of water. The filter also has passed NSF372 certification to ensure safety of lead-free materials. Efficient Filtration: The AQUACREST filter, as a filter replacement for pur pitcher, is expertly built with a multistage filtration technology and can efficiently reduce over 100 contaminants like chlorine, silt and sediment, thereby guaranteeing the household drinking safety.(Tested by a third party laboratory.) Longer Lifespan: Compared with lifespan of other products, the lifespan of the water filter replacement is extended by 50% and can be up to 60 gallons. With the extended lifespan, the replacement frequency is reduced, which is good for environmental protection. Fast and simple to install: The water filter for pur dispenser adopts a more humanized design at the top, is convenient to take and can be installed within 3 seconds. The water filter is perfectly fit with your pitcher and has a higher cost performance. Premium Filter Material: Adopts a pre-filter layer with coconut shell activated carbon and high-quality ion-exchange resin to ensure maximum filtration and cleaner water possible. Compatible models: The replacement filter is interchangeable with PUR CRF-950Z, PPF951K, PPF900Z water filter; For use with PUR PLUS Pitchers and Dispensers: PPT700W, CR-1100C, CR-6000C, PPT711W, PPT711, PPT710W, PPT111W, PPT111R, DS1811Z, CR1100CV3, PPT700LA, CR1111WLCR, PDI4000ZAM and more. This filter is not sourced by or sponsored by PUR. The above claims have not been tested and certified by NSF. The manufacturers name and part number have been used for reference purposes only.