STP R1234YF Air Con Trigger & Gauge Product Overview Product Details STP® R-1234yf Reusable Trigger & Gauge helps to measure pressure and recharges R-1234yf A/C systems. The extra long heavy duty hose allows for easier access to hard-to-reach ports. R-1234yf recharge product sold seperately. Features and Benefits Gauge connects to sealed and self-sealing R-1234yf cans. Reusable trigger gauge provides a more accurate fill while the 24” charging hose gives easier access to hard-to-reach ports. Metal coupler attached to low side ports in R-1234yf systems.
