Screw Cap Open Septum Pp/Rubber/Ptfe Bk , Each

Details:

Open black septum screw cap (type 34s, 41, 43, 46, 46fl)^ open black septum screw cap (type 34s, 41, 43, 46, 46fl), made of polypropylene with poly-vinyl liner, replaceable inserts are made of 50% rubber (on the injectable side) and 50% ptfe (on the bottom side)