DUAL PUMP HEAD SET UP COLE PARMER EASY-LOAD MASTERFLEX L/S MODEL 7518-22 PUMP HEADS. USES LS 15&24 TUBING. PUMP HEADS ARE COUPLED WITH LOVE JOY COUPLERS TO ECM 6469 35/96 MOTORS. IN A METAL CUSTOM HOUSING ON PAINTED BOARD. THIS IS HOW I BOUGHT IT, I DID NOT DO THIS BUILD. EVERYTHING LOOKS IN VERY GOOD CONDITION. I ALSO TESTED WITH EACH MOTOR AND RAN WELL. PLEASE REVIEW PICTURES.