Adapter Refrigerant Quick Couplers 1/4" Male Port High/Low Side Adapter Manual Couplers Car Air Tool Set A/C Refrigerants Manifold Gauge Hose Air Con

Usage & Compatinility The professional automotive high and low pressure quick couplers adapter for R1234yf refrigerants, AC manifold gauge, diagnostic check, recovery and evacuation work.Perfect replacement to the valves that came with your car air conditioner. Easy Installation The heavy duty low loss refrigerant manual couplers are quick and easy to install, turn them counter-clockwise to the "closed" position，then you can pull up on the couple and attach them，until fully screwed out/expanded，red for high pressure, blue for low pressure easy to operate , include 2 removable brass adapter (1/4" SAE Male Port). Quality & Safety Brass material, pass a strict inspection to ensure high pressure resistance with solid construction and stable performance.Extended disconnect protection sleeve provides safety protection and protect from injury and refrigerant loss, defending against leakage.