Mastercool 69372 R134aR1234yf Complete AC Recovery System

APPROVED FOR ALL AIR CONDITIONING REFRIGERANTS including A2l and A3 flammable refrigerants, Built with the safest spark-free components, Includes all hoses and couplers needed to recover, cleanse and remove the oil from R134a and R1234yf automotive A/C systems as well as an extra filter dryer for replacement, Easily convert between R134a and R1234yf with the included dual brass manifold gauge set, couplers and conversion fittings, 30 lb DOT tank for R134a and 30 lb DOT tank for R1234yf refrigerants included with each unit (refrigerant sold separately). Each 30 lb DOT tank has a float switch that connects to the 69372 to shut off the recovery when the tank is 80% full