R414b STOP LEAK Charge, 4 oz. Can, Leak Stop For R-414b Systems K28 Can Taper

(1) R414b, Stop Leak Charge, 4 oz. Can, Leak Stop, For R-414b Systems (1) K28 Can Taper with brass cap. **Always charge in the "INVERTED" position! * We are a UPS Certified Hazardous Materials Shipper and this item will ship legally with all required information.   This can requires a K28 Can Taper which is included. Aerosol For Automotive A/C Systems or Commercial Refrigeration Systems. With age, o rings and seals will shrink and deteriorate. When Stop-Leak for R414b Systems is added to your a/c or refrigeration systems, it reconditions the rubber o rings, compressor gaskets, service valve seals and expansion Valve Body leaks! When the Stop Leak product is installed in an air conditioning or refrigeration system, the product mixes with the refrigerant and oil. As the product circulates in the system, it comes in contact with the o’rings and seals causing them to swell, resulting in "no leak". Stop leak will not repair large Mechanical leaks, these MUST be repaired! In