The Mastercool Heavy Duty Recovery Machine with 50-lb DOT Tank for Buses and Fleet applications, No. 69365, features a double piston compressor and cooling by a large fan and condenser. The unit offers an oil separation module, filter dryer and sight glass. Other features include safety high pressure switch, simple internal structure for field service, large volume recovery rate, injection molded high density polyethylene case for improved durability and front cover with built-in bumper guards for reduced damage to the control knobs.