●Includes: 4 Brita Water Filter Pot Cartridges Micro Disc Cartridges ●Filter Material: Activated carbon, non-woven fabric, Single Size: Width 2.2 x Depth 2.2 inches (5.5 x 5.5 x 5.5 x H), Single Weight: 0.2 oz (7 g) ●Cartridge replacement estimate: 4 weeks when using 5L per day (150L filtration per sheet) ●ECONOMICAL & ECO-FRIENDLY: It is a practical and environmentally friendly alternative to plastic bottles and reduces waste and is friendly to your wallet. Economical and easy to create mellow and delicious water ●Improved Water Purification Performance: Cleans 15 water purification capabilities. The activated carbon cartridge uses natural coconut shell material and is made of green food level material that is non-toxic and environmentally friendly. Activated carbon and non-woven fabric removes chlorine and chlorine compounds that may damage the taste of the water