Best Refrigerant Leak Sealer

FrostyCool R134a and R12 Replacement A/C Refrigerant Deluxe Recharge Mobile Sealer and Stop Leak Kit

Leak Saver: Direct Inject - for Air Conditioner, Refrigeration, and Automotive Systems Up to 5 Tons - Compatible with All Refrigerants - Proudly Made in The USA

LEAK SAVER Direct Inject Refrigerant Leak Sealer – Small System AC Refrigerant Leak Sealant for Most HVAC Systems - Automotive Leak Sealer – Up to 1 Tons (Small)

Red Angel A/C Stop Leak - 2 Ounce (49496)

12a Refrigerant with leak detecting dye 6oz 4 pack

Ultra Cool 1234yf Refrigerant kit w/Stop Leak

Rectorseal 45309 AC Freeze PRO Nano Mini-Split Leak Sealer, Blue

emzone Multi 12A A/C Stop Leak (45856)

emzone Multi 12A A/C Deluxe Recharge & Sealant Kit

Rectorseal 45317 AC Freeze PRO Nano Magic Frost Leak Sealer, 1.5 oz, Green