orion motor tech ac gauge set with self sealing & puncturing r134a can tap, ac gauges for r134a r12 r22 r502 refrigerant, car ac gauge set with 5ft hoses adapter adjustable couplers, freon charge kit r134a r22 r12 r502 is up for auction in Automotive. The current bid is $8.50, 78% below the $37.99 MSRP, in New/Like New condition. Bid on this item at our Louisville - Intermodal Dr. location before the auction closes.