The PUR MAXION Faucet Refill Replacement Water Filter Model RF-3375 is a brand new dual action basic water filter made of plastic with a capacity of 100 gallons. It is designed for household use and is compatible with PUR faucet filtration systems. The filter features a 2-stage filtration method with carbon/charcoal to remove contaminants such as mercury. This water filter is suitable for everyday use and comes in a multicolor design with the manufacturer's color being white. It does not have a California Prop 65 warning and weighs 0.5 lbs.