AC Couplers for R1234yf and R134a Refrigerant Systems2Pcs Quick Connector Adapters R1234YF to R134A High Quick Couplers ConnectorsFeatures:[Wide Application] This low and high-side quick coupler is suitable for R1234YF/R12 to R134A car air conditioner AC charging, R1234yf refrigerant, AC manifold pressure gauge, diagnostic check, recovery, and evacuation work.[R1234YF<br> High Side] R1234YF high side quick connector in red: High voltage side R1234YF connector 17mm female x 1/4" SAE male.<br> R12 to R134a adapter connector: 1/4" SAE female x high voltage 16mm R134A quick connector.This R1234YF quick coupler fits R1234YF/R12 to R134A car air-conditioning AC charging.High-quality R1234YF to R134A hose adapter with strong construction to ensure high working performance, and long-lasting use.Ball lock design and rubber sealing ring can ensure good sealing for R1234YF to R134A conversion.[Easy to Remove and Install] The R134A to R1234YF quick coupler has an auto-off function, making it easier to remove and install.<br> The ball lock design combined with the rubber seal provides excellent sealing performance.[High-qualty<br> Material] The quick coupler is made of brass metal material, which is strong and durable, with high strength, rust resistant, not easy to break, and can be used for a long time.[R1234YF<br> Low Side] Blue is R1234YF low side quick connector, low side R1234YF connector is 14mm female x 1/4" SAE male.<br> R12 to R134a adapter connector: 1/4" SAE female x low voltage 13mm R134A quick connector.Specification:Product Name: Quick CouplersMaterial: BrassSize: 7.3 x 1.6cm/ 2.8 x 0.6 inchColor: Red + BluePackage Included: 2 X connectorNote:Due to the difference between different monitors, the picture may not reflect the actual color of the item.Please allow slight dimension difference due to different manual measurements.<br> Thank you for your understanding.