COMMERCIAL GRADE DEHUMIDIFIER: THIS COMMERCIAL LGR DEHUMIDIFIER IS CAPABLE OF REMOVING UP TO 40L A DAY AT AHAM. IT WORKS WELL TO REMOVE MOISTURE QUICKLY AND EFFECTIVELY. AUTO PURGE PUMP FOR EASY DRAINAGE: THE AUTO PURGE PUMP WILL AUTOMATICALLY PURGE THE WATER THROUGH THE DRAINAGE HOSE WHEN IT IS FULL ELIMINATING THE TASK OF MONITORING COLLECTION TANK LEVELS.