FiZZ GiZ Spray-Kwik Lawn & Garden Sprayer NevrPump Fountainhead Never pump your lawn & garden sprayer again. Get more spraying done in a shorter time without stopping to pump. Use with any lawn sprayer having a pressure relief valve. Automatically maintains consistent pressure inside tank and sprays at a uniform flow rate from full tank to empty tank. May be used with any common paintball tank equipped with an on/off valve. Pump up to 28-gallons of liquid fertilizer, pesticide or herbicide with a single 24oz CO2 cylinder.