Mastercool 53660 Master Leak Sheild HVAC Refrigerant Leak Seal 1.5 to 6 Ton.

Product Description:

• Lubricates system and helps prevent leaks.
  
• Seals small leaks.
  
• Illuminates larger leaks through the use of high quality universal fluorescent dye.
  
• Compatible with all refrigerants and oils.
  
• No need to recover refrigerant during application.
  
• Stops leaks in metal and rubber air conditioner and refrigeration parts including evaporators, o-rings, gaskets and hoses.
  
• The patented delivery system prevents any residual sealant from being left in the can.
  
• Made in the USA.
  
• Intertek laboratory tested: no damage, no restriction.