CMP Deck Jet Nozzle Assembly [Adjustable Flow] (25597 200 900) elbows more confidence inspiring retrofit overall more confidence inspiring retrofit overall The Darlly 71007 filter cartridge is designed for compatible filtration applications and offers 100 square feet of filtration area with 3 1 16 inch top and bottom openings Adjustable nozzle assemblies are especially practical when the visible deck jet body remains serviceable but the output component needs to be renewed for better performance or control A nozzle assembly like this is useful because it restores the water outlet portion of the deck jet while allowing the flow presentation to be tuned within the intended design range