Hayward AX5010G10 Wall Quick Connect O-Ring Replacement for Select Hayward Pool Cleaners Wall quick connect o-ring Fits hayward phantom turbo and viio turbo in-ground pressure pool cleaner models 6000b, 6000bbk, 5500tc, 5500tcbk Also fits hayward viper and phantom automatic pool cleaner models 5500, 6000 Weighs 4 pounds