O-RING -011 .301 ID X .070 W Each Back Catalog number: 1970-0011-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request T-9GPC General purpose carbon cold trap, TT24-7 Price on request C-CL100 Penclips, pk100 Price on request