VIVOHOME AC R134a Refrigerant Quick Coupler Adapter Kit HVAC High Low Connector Conversion 3.5 CFM 1/4 HP 110V Single Stage HVAC Vacuum Pump for R134a R12 R22 R502 R410a Systems

• PACKAGE COMBO - The package includes a VIVOHOME AC R134a Refrigerant Quick Coupler Adapter Kit HVAC High Low Connector Conversion with VIVOHOME 3.5 CFM 1/4 HP 110V Single Stage HVAC Vacuum Pump for R134a R12 R22 R502 R410a Systems ADJUSTABLE R134A COUPLER - This VIVOHOME high and low-pressure couplers can be opened or closed through the blue and red knob, which will reduce the wear of taking off and installing and improve the safety EXQUISITE WORKMANSHIP - Outer Diameter is 14 mm, and Inner Diameter is 10 mm, with 2 mm Cross-Sectional Diameter, suits 1/4'' HVAC hoses or adapters. O-rings inside can ensure the complete hermetic seal to prevent the refrigerant leakage. The excellent manufacturing meets the standard requirements PREMIUM VACUUM PUMP - Constructed from high-quality die-cast aluminum housing, this vacuum pump is built to last, reducing the need for frequent maintenance. With its powerful 1/4 HP single-stage motor, it achieves a flow rate of up to 3.5 CFM and draws systems down to 5 Pa. It is designed to maintain air conditioning system by efficiently removing moisture before refilling the refrigerant, perfect for those who are looking to self-diagnose or recharging AC systems FAST COOLING - The pump has a mesh vent, T-shaped motor heat fins, and a high-power cooling fan to help the pure copper motor dissipate heat effectively, resulting in optimal and smooth operation. The high-torque copper motor features overheating protection, allowing you to enjoy reliable and long-lasting operation