Royal Berkey Water Purification System with 2 Black Elements & Wirestand

3.25 GALLON CAPACITY- The portable Royal Berkey System effortlessly filters water for about 2-4 people each day. Add additional Black Berkey Elements, sold in sets of 2, to increase the flow rate (the Royal Berkey System can hold a maximum of 4 Black Berkey Elements). The system is just 23" tall and 9.5" in diameter.