Provided is a connector for substantially aseptic connection of tubing, that includes a central tubular stem member with a line connection end and a coupling end having an annular gasket arranged to engage a similar annular gasket on a similar second connector in sealing abutment and a tubular socket member, concentrically arranged outside the stem member, having a flange concentrically arranged outside the coupling end and a cover film releasably bonded to the flange and covering the coupling end of the stem member, the annular gasket and at least a portion of the flange. The socket member is rotatable around the stem member and the connector also has an annular seal member in sealing abutment between an inside of the socket member and an outside of the stem member.