
I was hesitant to try this product at first, but I'm so glad I did! After struggling with refrigerant changes in my automotive work, this retrofit kit made everything so much easier and efficient .The piercing mechanism was quick and simple, and the compact design made it easy to maneuver in tight spaces. The only drawback was that the instructions could have been clearer. Overall, a great purchase for anyone in the air conditioning and automotive industry..

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