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Title: Mine was a near total POS
Review: The item I received had a bar twist handle instead of the round one as in the picture. This was not a big deal and still this part of the valve functioned ok. It still pierced the can, hence ONE star. However this is where functionality stopped. After the can was punctured the valve would not allow refrigerant to flow. I could fool with it and SOMETIMES get it to flow but for the most part it would not. Thanks to this POS I have wasted two cans of refrigerant and this stuff isn't cheap anymore. Should have bought a Mastercool instead. After replacing the o-rings, orifice valve and vacuuming the system, the whole effort was a waste due to this faulty valve. Now I have to go to the autoparts store tomorrow and replace this junk. Maybe I just got a bad one out of the bunch, but it was a waste of money.
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