The Alexapure Pro gravity water filter provides reliable water filtration almost anywhere, whether at home, the office, on vacation, while camping, or in a college dorm. It is an excellent system for emergency preparedness as it uses no electricity. You pour water into the top reservoir, let it filter to the bottom reservoir, and you can use fresh water from your tap, lakes, ponds, streams, rivers, or rainwater. Features: Reduces 200+ contaminants commonly found in drinking water Verified filtration capacity of 200 gallons, which can last much longer depending on the water source. Water storage capacity of 2 1/4 gallons Durable stainless steel construction Easy assembly and maintenance Comes with a pre-primed, ready-to-use filter Can hold up to 4 filters at once Convenient stainless steel spigot for instant access to filtered water 10-inch upper chamber 10 1/8-inch lower chamber 21 1/2-inch assembled height (from bottom to top handle) Weighs under 8 pounds Works with well or city water What’s Included: (1) Alexapure® gravity block filter with hybrid ceramic shell (1) non-slip rubber base ring (1) stainless steel upper chamber (1) stainless steel lower chamber (1) stainless steel lid (1) stainless steel spigot assembly (1) knob assembly (3) food-grade nitrile and silicone rubber plugs (1) set of instructions Certified Alexapure gravity block filter with hybrid ceramic shell: Proprietary gravity block with ionic absorption technology Silver-infused ceramic outer shell Verified filtration capacity of 200 gallons, which can last much longer depending on the water source. Filters made in the USA Reduces 206 contaminants** commonly found in drinking water, including: Bacteria (> 99.9999%) Chlorine (> 99.9%) Fluoride (> 97%) Pesticides (> 95%) Pharmaceuticals (> 95%) Viruses (> 99.99%) Heavy metals Lead Click here for Independent test results.