Excellent condition, very clean, ready to install. Complete with a copper gasket, 6 mounting bolts and adapter caps. 2.75 inches diameter vacuum conflat flange quick disconnect adapter with a 1/4 in diameter tube coupler, rotatable flange, made by MDC Hayward. 2 in tall, thick 1/2 in high quality stainless steel base. Surplus from a cryogenic laboratory. Total weight 518 grams.