Introducing the Big Berkey Water Filter – the ultimate in water filtration technology! Do you want clean, safe drinking water? The Big Berkey Water Filter is here to deliver. This advanced filtration system removes over 99% of contaminants from your tap water, including lead, mercury and other heavy metals. It also reduces bacteria, microorganisms and parasites for a truly pure drinking experience. Plus, with its easy-to-use design and no need for electricity or plumbing installation, it's perfect for any home or office setting. The Big Berkey Water Filter comes with two Black Berkey purification elements that are capable of producing up to 4 gallons per hour of ultra-pure drinking water.