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The Fastest, Easiest Refrigerant Leak Sealant! Introducing Insta-Seal IS-L, the lightning-fast sealant that quickly seals refrigerant leaks. Its innovative injectable design is easy to use and provides a long-lasting seal compatible with 1.5 to 5-ton HVAC units.

Its injection method makes it easier to install than other sealants. Pumping down the unit is now a thing of the past. Compatible with all refrigerants (excluding ammonia).

No more large equipment, bulky tools, and injection hoses. Say goodbye to costly repairs and refrigerant leaks and enjoy the hassle-free performance with Insta-Seal IS-L.

Key Features:

  • Permanently seals.
  • One-time use, quick and easy injection.
  • Won't clog expansion valves or cap tubes.
  • Compatible with 1.5 to 5 - Tons HVAC units.
  • Multiple units can be used on larger equipment.
  • Works with all refrigerants (Excluding Ammonia).
  • Super concentrate means less material in system.
  • Reinforced clear tube that lets you see the sealant go in.
  • It takes only seconds to inject, minimizes system downtime.
  • Works with R - 410A systems without the need to pump down the system.


Do not bend, cut or deform INSTA-SEAL Ultimate Injectable Sealant tube. Be careful not to allow refrigerant to spray on bare skin, as it could cause frostbite.

Brand Insta-Seal
Weight 0.0 lb
Product Type Sealant
Collections Home & Garden Insta-Seal Tools

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