ZeroWater's 7-cup/1.7 litre water filtration jug is designed specifically to fit in a standard fridge door and is the first in its class to have a sealed lid and reservoir, making it possible to pour water that has already been filtered without spilling water that's still filtering. BPA Free Plastic. Size approx.: 27 x 15.5 x 27cm. Capacity: 1.7 Litres. ZeroWater is the leading Premium Brand of Water filter technology. Certified to reduce Lead, Chromium, & Mercury. Removes 99.6% of all dissolved solids. Removes 99% of all Fluoride. Premium 5-Stage Dual-Ion Exchange filtration system. Certified by the NSF. Immediate pouring ability. ZeroWater Ion Exchange water filter includes a Water quality digital meter that provides a digital measurement of dissolved solids in your water (TDS Meter) and used to indicate when the filter needs changing. Unlike many water filters and filtering jugs, ZeroWater filters use 5 stages of filtration, to bring you cleaner, better tasting water. Instead of carbon filtering only, our filters use Ion Exchange Technology to reduce contaminants. ZeroWater filters, filter water in 5 stages, the water filters are NSF certified to reduce lead and other heavy metals. The filter reduces metals, salts, minerals, chemicals and runoff to provide pure great tasting water. Remove more contaminants from your water with ZeroWater's unique filtering system. The small water filter jug is designed to fit in standard UK fridge doors. Lab Grade Digital Water Quality Meter included which will show you the exact Total Dissolved Solid reading of your water.