The First Need XLE replacement canister is designed for the new First Need XLE purifier, and will work with older First Need XL and Deluxe model purifiers. The XLE canister is an improvement to the old XL canister. This canister removes: Bacteria, Viruses, Giardia, Cryptosporidia, Parasitic Cysts, Odors, Colors, Sediment, and Foul Tastes. The XLE canister has a capacity of 180 gallons. (The old XL canister had a 150 gallon capacity). Flow rate is 2 gallons per minute.