Time Operated Purge Valve, 115 Volt Normally closed valve Adjustable interval and duration Replaces DCI C series & Dental EZ® 6 ft. power cable 1/4” FPT "DentalEZ" and "RAMVAC" are registered trademarks of DentalEZ, Inc., and RAMVAC Dental Products, Inc. which are not affiliated with DCI and do not endorse this product.