【HIGHEFFICIENCY RECOVERY】The 34 H-P brush motor refrigerant recovery machine swiftly recovers and liquid refrigerants at a maximum rate of 485lbmin. Equipped with an efficient fan and condenser, it provides stable, strong, and long-lasting performance for professional-grade applications. 【SMALL IN SIZE, POWERFUL IN FUNCTION】Look no further than our lightweight 29.5 lbs recovery tool, perfect for servicing different refrigeration equipment! Get ready to recover a range of refrigerants, including R134A, R22, R12, R410A, R404A, R502, etc. 【HIGH-PRESSURE PROTECTION】Accurate pressure gauge can precisely monitor the pressure. When the pressure reaches or exceeds 38.6 bar/558 psi, the portable ac recovery machine automatically stops the recovery to ensure safe operation throughout the recovery process. 【SELF-CLEANING WITHOUT RESIDUE】After each use, simply turn the knob to the PURGE position. This will activate the refrigerant recycling machine's self-cleaning function, which safely discharges any leftover refrigerant into the recovery tank. Additionally, This reduces the risk of machine damage from expansion. 【MORE PURER, MORE SAFER】With its reusable and easy-to-clean filter screen, this dryer efficiently blocks impurities from entering the intake port and ensures that the refrigerant is moisture-free to prevent oxidation and rusting. Regular replacement of the dryer is advised to maintain the purity of the recovery process.