R410A Air Conditioning Flare Adapter Ball Valve 1/4 - 5/16 SAE 1/2-20 UNF Mastercool 90411

Flexible Mastercool adapter to change 1/4 inch air conditioning charging line to 5/16 inch. Flex adapter with ball valve. Converts 1/4 inch SAE hose into 5/16 inch SAE 1/2-20 UNF swivel connection for R410A.