New Business Hours for Select Branches: The Fabrication Shop in Wilmington, MA, along with Auburn, MA, Portsmouth, NH, and Williston, VT, will be open from 7:00 AM to 4:00 PM, Monday - Friday.

Nu-Calgon 4050-21

Nu-Calgon EasySeal 4050-21 Refrigerant Leak Sealant, Liquid, Clear Yellow

  • Manufacturers: Nu-Calgon
  • Brand Name: Nu-Calgon
  • Item #: 54270
  • Rebate Amount:
  • MPN: 4050-21
  • Qty. Interval: 1
  • Availability: Login for Availability

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.