O-Ring, Size 006, pk/10 Back Catalog number: U-COV06 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In stock 2 pcs Price on request - + Recommended U-T8CUS-2S cust packed cold trap, UNITY 2/xr and TD-100/xr Price on request C-POD-KIT01-5TD POD Starter Kit: Carbograph 5TD Price on request U-T16GHG-2S Greenhouse gases C2 - C14 cold trap Price on request