This item will NOT screw onto the top of a R1234YF can! The can tap is an R134a tap and the end of the hose is R1234YF. It will NOT work with valve style 134a cans. R1234yf charging hose with R134a can tap.
Dye Charge for R1234yf,UVdye, Enviro-Safe, R1234 Dye Charge with Gauge
Enviro-Safe R1234YF Dye Charge 4 OZ Can & Charging Hose, Dye charge for R1234
Refrigerant dye charge for R1234yf, UV dye, R-1234yf, Enviro-Safe, 2 cans,
Dye Charge for R1234yf Systems,UVdye,easy seal,automotive, ac UV dye
Enviro-Safe R1234YF Dye Charge For 1234yf, case of 12 4 oz.
Enviro-Safe R1234YF Dye Charge For 1234yf, case of 5 4 oz cans.
