3pcs R410A Adapter for Mini Split System, 5/16" SAE Female to 1/4" SAE Male Flare Charging Vacuum Port Adapter Straight 45°& 90° Angle Adapters Fitting for HVAC Air Conditioner Refrigeration is up for auction in Tools & Home Improvement. The current bid is $3.00, 74% below the $11.49 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.