• Professional A/C Stop Leak
• Meets SAE J2670 additive standard
• Safe for all A/C systems
• Contains concentrated A/C dye
• Permanently seals leaks
• Oil-based sealant that does not have any dangerous side effects
• Will not harden, crystallize, clog the A/C system or harm recovery equipment
• Includes: Spotgun Jr. Injection system, R134a low-side service adapter and hose and 2 (each) 1 oz. cartridges of LeakGuard One Shot