Preformed AC maintenance on (2) units. Checked all electrical wiring and connections. Flushed drain hose and checked fittings. Washed outdoor coil. Checked refrigerant system. Ran tests, system is operating properly upon completion of job. Thanks Mike. Materials: (2)24x24x4 filters Note: Will need to replace (2) Premier One UV bulbs on next maintenance. Office to order for next visit. (2) LSK07401H-16 Office to invoice Note: Shaun requested fresh air louver be propped open slightly allowing larger amount of fresh air into building.