American Standard M922881-0990A PC AERATOR 1.5GPM-MALE-15/16-27UNS-RP Polished Brass Genuine American Standard repair part PC AERATOR 1.5GPM-MALE-15/16-27UNS-RP Check your repair part information for compatability Call American Standard's Customer Service at 1-800-442-1902 to see if this part will fit your American Standard product Used by plumbers to repair American Standard products