Best leak stop in my opinion. R410a Leak Seal
Mini Split Refrigerant Leak R410A leak stop and UV dye can only — perfect for those who already have the tools. It's a reliable recharge and repair solution in one powerful can Does r410a leak stop work? : r/hvacadvice This kit feature a double check valve to avoid back pressures and self-sealing valve on the can to allow multiple uses. Easy to read- color base gauge HVAC/R Leak Stop Syringe 1/4 oz. + Installation Hose & R410a ...