The EV400-DUAL is a two tank outfit designed to recover refrigerants from automobile A/C systems and appliances. Features an oil-less 1.33 horsepower OIL-LESS compressor. Auto shut-off when recovery is complete and integrated tank overfill sensor cord to connect to recovery tank. Operates on 115V/60hz. 13"L x 11"H x 9"W. Includes: 2 low side service hoses, 2 discharge/tank hoses, low side R134A and R1234YF threaded couplers for vehicles, 2ea 30lb tanks with overfill sensor and a wheeled cart for portability. Choose tank identification stickers: R-134A or 1234AY. Made in the USA.