Review on Control Refrigerant Charging Conditioner Accessories by Adam Martinez

Before this brand I bought another brand and was very dissatisfied as it was quickly phased out. I've been using this brand of flare bottoms for almost a year and they don't leak refrigerant. Remember they aren't vacuum tight so it's foolish to assume you'll be pulling 200 micron vacuum with them. However, with a routine coolant level check, they will definitely prevent coolant from getting on your hands. They are much better and much cheaper than low-loss hose adapters. Now I'm buying a second set!