Compatible with legacy ZeroWater pitchers and dispensers. The patented ZeroWater filtration system combines five sophisticated technologies that work together to remove virtually all dissolved solids from your water, resulting in great-tasting water certified by the NSF to reduce lead, Chromium and PFAS/PFOS. This premium 5-Stage Dual-Ion Exchange filtration system removes over 99% of all dissolved solids, equivalent to purified bottled water. It eliminates limescale, is more economical than bottled water, and reduces single-use plastics. The filter is certified to reduce Lead, Chromium and PFAS/PFOS. Dimensions: H:18.0 x W:9.0 x D:9.0 cm. Colour: White. Model Number: ZR-003. Self Assembly Required: Yes. This filter is the ONLY filter in its class to achieve a TDS level between 000 and 010ppm, the standard for purified bottled water. Each filter removes 18,000 milligrams of dissolved solids, ensuring the purest tasting water. It's important to change the filter when the TDS meter reads above 006ppm.