The Zebra Skimmers Smart Disk Skimmer saves you nearly $300 per year over simple disk skimmers by reducing coolant waste. With the Integreated Diverter, this skimmer knows the difference between floating tramp oils and coolant. Features a dugges steel constuction with a continous-duty, fan-cooled motor. Handles 2 quarts per hour of oil removal capacity. Features lifetime wipers, scrapers and 12 inch disk. Made in the USA.