Open box new condition. The Filtrete Filter Advanced Under Sink Quick Change Water Filtration System 3USPS01 is a white plastic under sink filter with a 3-stage filtration method that includes sand/sediment filtration for removing chlorine taste and odor from household water. With a capacity of 2000 gallons, this unit is suitable for household use and is easy to install due to its quick change design. The Filtrete brand is known for its quality water filtration products, ensuring clean and fresh water for your household needs.