PENTAIR CM/CMK 75 MEDIUM HEAD SERIES PUMP, 3 PHASE, 7.5 HP — Commercial self-priming bronze main circulation pump with integral hair and lint strainer with stainless steel basket. 6" suction x 4" discharge, flanged connections. 3450 rpm, 3 phase, 60/ 50 HZ, and 208 volt or 220/440 volt motors. NSF listed.