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 OST-227-3141 Spare solid glass stopcock key, NS 14,5, 2pc/pk Price on request M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request