Nu Calgons Easy Seal Ultimate for Large Systems Treats Systems 2 to 10 Tons. number 4050-08.

The EasySeal line has proven to be the number one trusted leak sealant brand for years, with millions of leaks sealed. Now Nu-Calgon has made EasySeal even better with EASYSEAL ULTIMATE  the strongest and fastest leak sealant on the market, now with the ability to treat systems up to 10 tons in one application!

Permanently seals Micro even larger leaks

Rapid Fusion Technology for a stronger bond

Easiest to install direct inject

Works with all refrigerants

Treats larger systems

OEM Approved Not to Clog Manifold Gages

No Additional Tools Needed

Perfect for MicroChannel Coils

Proven Not To Plug TXV's or Pistons

No Need to Pump Down the System

Each Package is Individualy Sealed