Check the listing for details. AQUA CREST CRF-950Z NSF Certified Pitcher Water Filter (Pack of 3). Color: Blue, Condition: New. Listed at 19.99 USD. Product Description 【NSF certified】: AQUACREST filter is NSF 372 certified material. It has also been certified against NSF 42 standards to ensure absolute reduction of 96.5% of chlorine, bad taste, and odors.【Multistage filtration】: AQUACREST filter is expertly built with multistage filtration technology, using a pre-filter layer with coconut shell activated carbon and high-quality ion-exchange resin to ensure maximum filtration and cleaner water possible.【Highly efficient filtration technology】: Apart from basic filtrations, AQUACREST filter cartridge excellently reduces chlorine, mercury, rust, sediment, heavy metals and suspended particles. It has also been tested and confirmed for eliminating unpleasant color and odors that are detrimental to human health.【Interchangeable water filter design】: Our replacement filter has been engineered to ensure a perfect-fit replacement in your lovely pitcher. It is also quite easy to replace your water filter with AQUACREST. You do not have to worry about installations; there are instructional manuals to guide you if you are confused or have any questions.【Premium filter material】: AQUACREST filter utilizes 100% coconut shell granular active carbon. When compared to a typical granular active carbon, the 2 times larger surface area and additional micro-pores meticulously filter more harmful substances and fresher water taste.