The PUR 30 Cup Dispenser, DS-1800Z, Water Filtration System uses two stages to remove more contaminants than most other pour-through water filter system. It can hold up to 18 eight ounce glasses of filtered water at one time.The space saving design of this PUR water filter dispenser allows it to easily fit in your refrigerator without taking up too much space. This PUR filtered water dispenser is ideal for dorm or office fridges. In addition to providing filtered water for drinking, you can also use this PUR dispenser to filter water for cooking, making coffee or tea, and other common household applications. You and your family can save a lot of money by using this filtered PUR water dispenser because you will not have to buy bottled water any more. Note: This PUR filtered dispenser does not remove beneficial flouride. Specifications: Brand: PUR Part Number: DS-1800Z Dimensions: 15 1/2" x 10" x 5" Filter Life: 2 months or 40 gallons NSF Certfication(s): 42, 53, and 401 Additional Features: This PUR water dispenser reduces: lead mercury cadmium copper pharmaceutical residues various agricultural and industrial pollutants sediment the bad taste and odor of chlorine and other impurities. Compatible Parts: The PUR 30 Cup Dispenser, DS-1800Z, Water Filtration System is the correct replacement for the following part numbers: PUR CRF-950Z Replacement Filter