Everything needed to recharge an A/C system or retrofit from R-12 to R-134a.

• Includes 3 cans of High Mileage R-134a with Oil and "How-To" CD
• Comes with reusable trigger dispenser with built-in gauge
• Has retrofit valves needed to convert the high and low-pressure ports from R-12 to R-134a and EPA approved label
• 36 oz. total fill (three 12 oz. cans)