




💡 Seal smarter, not harder — never miss a leak again!
Insta-Seal Replacement for Nu Calgon 4050-08 EasySeal Direct Inject is a concentrated synthetic rubber sealant designed for 1.5 to 5 ton HVAC systems. Its clear tube allows visible application, making it ideal for small, hard-to-find leaks in split systems, heat pumps, and mini splits. Made in the USA, it offers a reliable, water-resistant solution that reduces material use and eliminates the need for pumping down units when used with the optional Direct Inject tool.
| Material | Synthetic Rubber |
| Brand | Insta-Seal Replacement for Nu-Calgon |
| Style | Pumps |
| Item Weight | 0.01 Ounces |
| Water Resistance Level | Water Resistant |
| Item Form | Liquid |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Color | clear |
| Surface Recommendation | Metal |
| Manufacturer | Insta-Seal Replacement for Nu-Calgon |
| Item Weight | 0.01 ounces |
| Item model number | IS-L_revNuCalgon |
| Manufacturer Part Number | IS-L_revNuCalgon |
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