For customers desiring optimal water quality utilizing more ozone, DEL�s high-output MCD-50 is serviceable and reliable with the longest lifespan of any spa ozone generator on the market, typically running for five years. With spa manufacturers installing the MCD-50 since 2003, DEL is now meeting the growing demand for replacement units by offering them through distribution. Dimensions - 8.6�H x 6.1�W x 2.8�D, 3.75 lbs Output - 50 mg/hr; 580 PPM; 2cfh Power Consumption - 110V = 50mA, 6W / 220V = 25 mA, 9W