Choose the style of 'O'Ring Face to Flat Faced Flange Adapter needed

D x E Code 61 and J x K Code 62 D x E Code 61 and J x K Code 61 D x E Code 62 and J x K Code 61 D x E Code 62 and J x K Code 62 D = E Square and J x K Code 61 D = E Square and J x K Code 62