hybrilis digital vacuum gauge hvac micron gauge tester 0-75000 microns, hvac vacuum pressure gauge with audible alarm, 7/16-20 unf 1/4" sae port, backlit lcd, t-connector&extension adapter for ac refrigeration is up for auction in Tools & Home Improvement. The current bid is $1.00, 99% below the $115.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.