The 32 Cup Ready-Read 5-stage Water Filtration Dispenser is perfect for in home or small office usage and holds more than enough water for your family and friends. Get peace of mind knowing you're always getting the purest tasting water with the new integrated TDS meter. This upgraded model with Ready-Read Technology gives an instant TDS readout of water as it passes through the device s body. The premium 5-stage water filtration removes virtually all dissolved solids from your tap water more than any other leading brand! See for yourself by detaching the meter and reading TDS levels before and after filtering your tap water. ZeroWater's 5-stage filtration is the only pour through filter NSF certified to reduce lead, chromium & PFOA/PFOS.