The PUR Maxion Filters 3-Stage Faucet Replacement Cartridge is a pack of 3 water filters suitable for household use. It is compatible with Brita Maxtra+ and removes lead and other contaminants through a 3-stage filtration process using carbon/charcoal. The filters have a capacity of 100 gallons and are made of plastic. The item dimensions are 7.64 x 5.57 x 2.66 inches (depth x height x width) and it weighs 1 lb.