The ZeroWater 5 gallon water cooler jug is the perfect addition to any home or office. It's easy to refill, and the locked lid prevents spills. Our bottle filtration system is designed to work seamlessly with most water coolers available today. To ensure compatibility with the ZeroWater filtration bottle, just make sure the cooler's reservoir at the top is at least 6 inches wide and 6 inches deep, and free from any obstructions. The 5-gallon water jug dispenser contains two 5-stage water filters that removes virtually all total dissolved solids (TDS) ? think metals and salts ? leaving the purest taste in every sip. ZeroWater also reduces lead, the forever chemicals PFOA/PFOS, chromium, and mercury giving you peace of mind that every glass you pour for you and your family will be healthier and cleaner. 5-stage advanced water filtration: Removes virtually all total dissolved solids (TDS) like metals, minerals, salts, and ions for the purest taste in every sip. Reduce harmful contaminants: Our filters reduce some of the most concerning contaminants like lead, PFOA/PFOS, chromium, and mercury. 15 Gallon estimated water filter life: Filter life can vary depending on your water quality. Change your filter when TDS Meter reads 006. Eco-friendly: Save up to 110 single-use plastic bottles per filter or up to 660 bottles a year while enjoying cleaner, healthier water. BPA-free material: Made with your health in mind using BPA-free plastic in all our products. TDS Meter included: Check the levels of dissolved solids before and after filtering your tap water. Once filtered water reads 006, it?s time to change your filter. Easy refilling without heavy lifting: No more storing and lifting heavy 5-gallon water bottles. Simply pour tap water into the filtration system and dispense the purest-tasting water.