Hayward SPX3000B 2-1/2 and 3-Horsepower Diffuser Replacement for Hayward Super Ii Pump Diffuser replacement Fits hayward super ii pump sp3000 series models sp3007(eeaz), sp3010(eeaz), sp3015(eeaz), sp3020(eeaz), sp3025(eeaz), sp3030(eeaz) For 2-1/2 and 3-horsepower Weighs 5.6-pound