❄ WIDE COMPATIBILITY ----- This R1234YF to R134A low side quick coupler fits for R1234YF/R12 to R134A car air-conditioning AC charging. ❄PREMIUM QUALITY ----- This R1234YF to R134A adapter offers a precise, secure fit for automotive air conditioning systems. Constructed from solid aluminum, it is engineered for consistent operation and extended use in AC charging and maintenance tasks ❄ EASY INSTALLATION ----R1234YF A/C low pressure line to adapt your R134A adapter with auto shut off, easy and convenient to use. ❄ SIZE DETAIL ----- R1234YF to R134A adapter: Low side R1234yf coupler 14 mm female x 1/4’’ SAE male. R12 to R134a Adapter: 1/4’’ SAE female x low pressure 13mm R134A quick coupler. ❄ WHAT YOU GET ----- R1234YF to R134A Low Side Quick Coupler (blue low-pressure r1234yf quick coupling with 1/4" Sae female thread x low pressure 13mm r134a quick coupling). If you have any question, we will try our best to help you ensure a fast and effortless ac replacement process, Weight: 0.0220462262 Pounds, Manufacturer: Aupoko