As an automotive enthusiast, I was looking for an efficient tool to help me with AC maintenance. As a result of using this product, I found that it worked wonders in removing and installing R134 and R32R. The lightweight and compact design of the tool made it easy to maneuver into tight spaces .The only downside was that the instructions were a bit confusing at first, but with some trial and error, I was able to figure it out. Overall, I highly recommend this product to anyone in need of air conSee full review