This ZeroWater replacement filter is a 5-stage filter that is compatible with Zerowater pitchers. It is made of plastic and includes carbon/charcoal, reverse osmosis, and alkaline ionizer filtration methods. It is suitable for household use and removes lead contaminants. The filter has a white color and measures 7 inches in height. It comes in a pack of one and is a great addition to your water purification and soda maker equipment.