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 U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request C-MCTEKIT-250 High Temperature MCTE Starter Kit Price on request U-T1KORI Empty cold trap, KORI-xr Price on request