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The TSI Supercool 28399 HVAC Leak Stop Syringe is a professional-grade, 2 fl. oz. solution designed to permanently seal leaks in A/C and refrigeration systems. Its polymer-free formula ensures no damage to system components, while an additive package protects against future corrosion. Compatible with all lubricants and refrigerants, it efficiently treats units up to 6 tons, making it an essential tool for HVAC professionals seeking reliable, long-lasting leak repair.


| ASIN | B07BH9Y9RC |
| Best Sellers Rank | #10,899 in Automotive ( See Top 100 in Automotive ) #187 in Automotive Oils |
| Brand Name | TSI Supercool |
| Country of Origin | USA |
| Customer Reviews | 3.6 3.6 out of 5 stars (347) |
| Global Trade Identification Number | 00672264028399 |
| Included Components | TSI Supercool 28399 HVAC Leak Stop Syringe with Application Hose, 2 fl. oz. (60 mL) |
| Item Type Name | TSI Supercool 28399 HVAC Leak Stop Syringe with Application Hose, 2 fl. oz. (60 mL) |
| Item Volume | 2 Fluid Ounces |
| Item Weight | 2 Ounces |
| Manufacturer | TSI Supercool |
| Material | Plastic |
| Model Number | 28399 |
| Part Number | 28399 |
| Sterile | Sterile |
| UPC | 672264028399 |
| Warranty Description | manufacturer warranty |
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