The Culligan Drinking Water Filter C2 is a pack of six filters designed to improve the taste and quality of household drinking water. Made of plastic, these filters utilize a carbon/charcoal filtration method to effectively remove contaminants such as sediment, chlorine, bad taste, and odor from the water. Compatible with Culligan filter systems, this lot of six filters provides a convenient and efficient solution for ensuring clean and refreshing drinking water in the home.