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If for any reason you are not satisfied with your product, please contact us and we will make it right. It is great for central air conditioners, R404A, heat pumps, micro channel coils and more. The easiest injection method: no more fussing with messy syringes, or pressurized cans.
More than 3 million units sold since 2015: the leak saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 72 hours. It also works with all refrigerants including r410a freon, r600a, refrigerators, R1234yf, car and automotive air conditioners, ductless mini-splits, R290, R22 and replacements, R134A, geothermal heat pumps, refrigerants except ammonia, commercial refrigeration systems, and more. It’s similar to how blood in your body reacts to a cut.




R134a gas is acceptable for use in motor vehicle A/C MVAC system for small leaks. The mr freeze difference - mr.
Get cold air in minutes with this r134a car air conditioner revitalizer - Avoid the inconvenience, high costs, and loss of transportation of a repair at the dealer or mechanic. R134a recharger, and leak sealer, lubricant, all in one – mr. Manufactured in the USA.



The easiest injection method: no more fussing with messy syringes, hoses, or pressurized cans. The leak saver injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits.
Mini-splits may require a 5/16” to 1/4” charging adapter. Works with all systems and refrigerants: compatible with all systems, car, chillers, refrigeration condenser, R290, cassette ac, mini split AC, R1234yf, refrigeration racks, r22 and replacements, refrigerants except ammonia, R134A, refrigerated truck, R404A, and more. When a leak occurs, the leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. Your satisfaction is our priority: we stand behind the effectiveness 100%.
1. InterDynamics
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Includes Reusable Dispensing Hose, InterDynamics, Repairs Metal Leaks and Seals Rubber Leaks in O Rings and Hoses, Certified A/C Pro Super Seal Car Air Conditioner Refrigerant Stop Leak Kit, 3 Oz
#adInterDynamics #ad - Safe for all r-134A systems and recovery equipment. Seals rubber leaks in hoses, O-rings, gaskets. Seals metal leaks in condensers, accumulators, evaporators, receiver and driers. Comes with recharge hose. Compatible with all lubricants.More information #ad
Brand | InterDynamics #ad |
Manufacturer | Interdynamics #ad |
Height | 9.45 Inches |
Length | 6.3 Inches |
Weight | 0.09 Pounds |
Width | 2.76 Inches |
Part Number | MRL3 |
Model | MRL-3 |
Warranty | Products are warranted to be free from defects in material and workmanship under normal use and service for a period of one 90 days from the date of purchase, unless otherwise specified on the product packaging. This warranty shall not apply to any altered products, misuse and/or negligent use of our products, accident, or normal wear and tear of our products. |
More information #ad
2. InterDynamics
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Certified A/C Pro Leak Stop Kit for R134A Car Air Conditioners, InterDynamics Car Air Conditioner Refrigerant Stop Leak Kit, 3 Oz Each
#adInterDynamics #ad - Safe for all R-134a systems. Seals rubber leaks in hoses O-rings and gaskets. Professional grade. Comes with recharge hose. Seals metal leaks in condensers, accumulators, evaporators, receiver and driers.More information #ad
Brand | InterDynamics #ad |
Manufacturer | Interdynamics #ad |
Part Number | CERT325-6 |
Model | CERT325-6 |
Warranty | Manufacturer’s warranty can be requested from customer service. |
More information #ad
3. Leak Saver
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Leak Saver: Direct Inject UV, Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks, Compatible with All Refrigerants, for AC, Refrigeration, and Automotive Systems Up to 5 Tons
#adLeak Saver #ad - Compatible with all systems and refrigerants: : the leak saver uv is compatible with all systems, and oils. Note: for automotive systems, hoses, you will still need the standard 134A to 1/4” charging adapter. The leak saver injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits.If for any reason you are not satisfied with your product, please contact us and we will make it right. It is great for central air conditioners, R404A, heat pumps, micro channel coils and more. The easiest injection method: no more fussing with messy syringes, or pressurized cans.
More information #ad
When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks. Mini-splits may require a 5/16” to 1/4” charging adapter. Your satisfaction is our priority: we stand behind the effectiveness 100%. When a leak occurs, the leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. More than 3 million units sold since 2015: the leak saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 72 hours. It also works with all refrigerants including r410a freon, r600a, refrigerators, R1234yf, car and automotive air conditioners, ductless mini-splits, R290, R22 and replacements, R134A, geothermal heat pumps, refrigerants except ammonia, commercial refrigeration systems, and more. It’s similar to how blood in your body reacts to a cut.
Brand | Leak Saver #ad |
Manufacturer | Leake Savers #ad |
Height | 9.5 Inches |
Length | 6.5 Inches |
Weight | 0.2 Pounds |
Width | 0.6 Inches |
Part Number | LS-LS-UV-1 |
Model | LS-05UV |
More information #ad
4. Leak Saver
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Made in the USA, 2022 Updated Sealant Formula for Most HVAC Systems Up to 5 Tons, Leak Saver Direct Inject Refrigerant Leak Sealer, 3 Pack
#adLeak Saver #ad - No more pump downs, fussy syringes, or pressure sensitive cans. Permanently seals refrigerant leaks and prevents future leaks; use with systems up to 5 tons. Uv dye detects large leaks requiring repair.More information #ad
Made in the USA. Injects easily and directly. Safe for all air conditioner and refrigeration systems, valves, and tools. Compatible with all types of refrigerants and oils. Designed and used by hvAC professionals, our formula has been proven through over a decade of research.Brand | Leak Saver #ad |
Manufacturer | Leak Savers #ad |
Height | 2 Inches |
Length | 6.5 Inches |
Weight | 0.48 Pounds |
Width | 9.6 Inches |
Part Number | LS-05 |
Model | LS-05 |
More information #ad
5. InterDynamics
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12 Oz, InterDynamics Arctic Freeze Car Air Conditioner Synthetic R134A Refrigerant, AC Recharge Kit, AF-3
#adInterDynamics #ad - Complies with section 612 of the epA Clean Air Act, EPA Compliant in Self Sealing Cans. Replaces lost r-134a refrigerant and oil in automotive A/C system; ACME threaded top; Recharging hose sold separately.More information #ad
Contains r-134a gas which is acceptable for use in motor vehicle A/C MVAC systems. Formulated with advanced QwikBoost chemistry for colder air up to 50% faster and eliminate moisture buildup. System-safe leak sealer additive seals common A/C leaks in rubber hoses, gaskets, and O-rings.Brand | InterDynamics #ad |
Manufacturer | Interdynamics #ad |
Height | 3 Inches |
Length | 5 Inches |
Weight | 0.94 Pounds |
Width | 3 Inches |
Part Number | AF-3 |
Model | AF-3 |
More information #ad
6. InterDynamics
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InterDynamics EZ Chill Car Air Conditioner Refrigerant Stop Leak Kit, 13 Oz, Includes Disposable Recharge Hose, Hoses and Gaskets, Restores Lost Refrigerant and Stop Leaks in O Rings
#adInterDynamics #ad - Built in disposable recharge hose. Safe for all r-134a systems when used as directed. No tools required. All in one solution to restore lost refrigerant and oil in automotive air conditioning systems.More information #ad
Contains system safe leak sealer additive that seals common A/C leaks in rubber hoses, gaskets and O-rings.Brand | InterDynamics #ad |
Manufacturer | Interdynamics #ad |
Height | 2.7 Inches |
Length | 9.1 Inches |
Weight | 1 Pounds |
Width | 2.7 Inches |
Part Number | SD-134T |
Model | SD-134T |
More information #ad
7. Mr. Freeze
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AC Recharge Kit with Hose and Wireless Digital Temperature Sensor, Mr. Freeze Car Air Conditioner Synthetic R134A Refrigerant, 14 Oz
#adMr. Freeze #ad - This product does not fit R1234YF systems. Epa compliant self sealing cans- our product complies with Section 612 of the EPA Clean Air Act. Freeze uses accufill technology to measure the air temperature coming from your vents and not the pressure of your system, which can differ from vehicle to vehicle.R134a gas is acceptable for use in motor vehicle A/C MVAC system for small leaks. The mr freeze difference - mr.
More information #ad
Simply fill your system until you reach the target temperature using our easy to follow how-to instructions. Freeze air conditioner revitalizer contains r134a refrigerant. Wireless digital thermometer and display makes recharging your car simple and fast - You don't have to be an A/C pro to safely use our car air conditioner recharge kit at home. Get cold air in minutes with this r134a car air conditioner revitalizer - Avoid the inconvenience, high costs, and loss of transportation of a repair at the dealer or mechanic. R134a recharger, and leak sealer, lubricant, all in one – mr. Manufactured in the USA.
Brand | Mr. Freeze #ad |
Manufacturer | AC Technologies Corporation #ad |
Height | 11 Inches |
Length | 6 Inches |
Weight | 1.57 Pounds |
Width | 3 Inches |
Part Number | 533505C |
More information #ad
8. ZeroR
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ZeroR EZ Chill R134a Refrigerant for MVAC in 10.25oz self Sealing can, Stop Leak and Dye All in one Solution.
#adZeroR #ad - All-in-one solution – no additional tools required. System-safe leak sealer additive seals common A/C leaks in rubber hoses, gaskets and O-rings. Complies with section 612 of the EPA Clean Air Act. Replaces lost r-134a refrigerant and oil in automotive A/C system.More information #ad
Brand | ZeroR #ad |
Manufacturer | ZeroR #ad |
Part Number | EZCUVSL10.25 |
More information #ad
9. Mr. Freeze
#ad
Mr. Freeze r134a Refrigerant with Leak Sealer 14oz in Self Sealing Container 2 Pack
#adMr. Freeze #ad - Manufactured in the USA. Get cold air in minutes with this r134a car air conditioner revitalizer - Avoid the inconvenience, high costs, and loss of transportation of a repair at the dealer or mechanic.More information #ad
Brand | Mr. Freeze #ad |
Manufacturer | AC Technologies Corporation #ad |
Part Number | 533512 |
More information #ad
10. Leak Saver
#ad
Made in The USA, Refrigeration, Leak Saver: Direct Inject Ultimate 3-in-1 Leak Sealant with Moisture Remover and UV Dye for AC, and Automotive Systems up to 5 Tons, Compatible with All Refrigerants
#adLeak Saver #ad - 3 in 1 sealant + moisture remover + uv dye : our proven leak sealant now includes moisture remover and UV dye for the complete system treatment! Now, remove system moisture, you can seal your leak, or find large leaks with the UV Dye. All in one easy to install package! When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks.The easiest injection method: no more fussing with messy syringes, hoses, or pressurized cans. The leak saver injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits.
More information #ad
Useit on the following systems: central AC, rv, and more. Over three million units sold since 2015: the leak saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 72 hours. It also works with all refrigerants including R410A Freon, ice machine, R600a, cold rooms, boat, commercial refrigerator, home refrigerator, and oils. Mini-splits may require a 5/16” to 1/4” charging adapter. Works with all systems and refrigerants: compatible with all systems, car, chillers, refrigeration condenser, R290, cassette ac, mini split AC, R1234yf, refrigeration racks, r22 and replacements, refrigerants except ammonia, R134A, refrigerated truck, R404A, and more. When a leak occurs, the leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. Your satisfaction is our priority: we stand behind the effectiveness 100%.
Brand | Leak Saver #ad |
Manufacturer | Leak Saver #ad |
Part Number | LS-05ULT-MFN |
More information #ad