Top positive review
Went to 410 refrigerant 2019, concerned about Acid in the lines. Shows No Acid.
By Steve R on Reviewed in the United States on September 14, 2021
Cost less then $10 to test for Acid in home AC lines, worth it.
Top critical review
Didn't work
By Aaron Key on Reviewed in the United States on September 29, 2018
Didn't fit over the low side port, disappointed.
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