R12 Refrigerant R-12, 28 oz. With LEAK STOP, ProSeal XL4, Good For Up to 5 HP

R12 Refrigerant R-12, 28 oz. With LEAK STOP, ProSeal XL4, Good For Up to 5 HP Includes, top-mount, screw-on on/off valve with 1/4" male flare hose connection. 24 oz. of R12 & 4 oz. of proSeal XL4 Shake can well before installing. Invert can (turn upside down) when charging so stop leak agent flows with the liquid refrigerant. Charge only from the low-side of the system. Refrigerant R12 Refrigerant R-12 Automotive A/C, Coolers & Freezers, Refrigerant R-12 (1) Large 28 oz. Can 24 ounces Refrigerant R12 4 ounces Pro Seal XL4 28 oz. Total Contains 4 oz. of ProSeal XL4, Professional Leak Sealer.   This can is good for systems that are 1 to 5 HP systems.   ***This 28 oz. of R12 with ProSeal XL4 is good for A/C & Refrigeration systems that are 1 to 5 HP.   ProSeal XL4  is the most powerful refrigerant leak stop made in the refrigeration and air conditioning industry!   ProSeal XL4 was designed for repairing leaks in condensers, evaporators, copper lines, and solder joints i