2 pcs R1234yf to R134a Quick Coupler Adapter Low Side +R12 to R134a Hose Adapter
$14.99
R1234yf to R134a low side quick coupler fits for R1234yf/R12 to R134a car AC charging, HVAC, manifold gauge, etc.. Coupler size: R1234yf 14 mm low side x 1/4 in. SAE male and R134a 13mm low side x 1/4 in.
