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 C-HSINS10-4 Vial block insert, 20mL to 10mL, pk 4 Price on request U-T18325-2S EPA 325 cold trap, UNITY 2/xr and TD-100/xr Price on request C-TDKIT-01 Essential TD Starter Kit Price on request