ZeroWater ZBD-040-1, 40 Cup Ready-Pour Glass 5-stage Water Filter Dispenser, NSF Certified to Reduce Lead, Other Heavy Metals and PFOA/PFOS, Clear Glass With Chrome Stand"ZeroWater's 40 Cup Ready-Pour Glass Dispenser delivers elegance and function. The largest capacity filtered device on the market features Ready-Pour™ technology; allowing you to dispense filtered water as the reservoir continues to filter. The 40 Cup Glass Dispenser is perfect for holiday parties, baby showers, outdoor events and commercial use with the no drip, easy pour spigot. The 5-stage filter transforms your tap water into delicious, TDS-free drinking water. All ZeroWater products include a free Water Quality Meter to test your water to ensure the highest quality filtration on the market. Get more out of your water with ZeroWater's 5- Stage Water Filtration. 5-Stage Filtration: Stage 1 - Removes suspended solids such as dust and rust that make your water appear cloudyStage 2 - Removes additional suspended solidsStage 3 - Removes organic contaminants; pesticides, herbicides, Mercury, Chlorine, Chloramine, and stops bacteria from growingStage 4 - Removes inorganic compounds i.e. metals, nonmetals and radiological contaminants.Stage 5 - Removes remaining suspended solids, holds the resin in place What is TDS: Total Dissolved Solids (TDS) refer to minerals, salts, metals including lead, chemicals, fluoride and runoff polluting your drinking water. ZeroWater Technology is the only water filtration system to remove 99% of TDS, equivalent to TDS in purified bottled water. Get more out of your water with ZeroWater's Premium 5-Stage Water Filtration."ZeroWater Official 5-Stage Water Filter for Replacement, NSF Certified to Reduce Lead, Other Heavy Metals and PFOA/PFOS, 3-PackZeroWater is not an ordinary water filter! ZeroWater delivers a unique 5-Stage Ion Exchange technology compared to conventional 2-Stage filtration. Enjoy the purest tasting water with a filter that removes 99.6% of TDS (total dissolved solids) from your tap water, such as Aluminum, Zinc, Nitrate, Fluoride and more! It is the only water filter that meets FDA standards for TDS in purified bottled water. This provides you with the only gravity fed pour-through filter on the market certified by the NSF to reduce Lead and other heavy metals. ZeroWater’s five stage process: Stage 1: Coarse filter to remove fine particles/sediment. Stage 2: Distributor that maximizes contact time. Stage 3: Multi-layer system using activated carbon and oxidation reduction alloy. Stage 4: Comprehensive ION EXCHANGE array. Stage 5: Non-woven membrane to remove fine particles.