O-Ring, low-emission, size 010, pk/100 Back Catalog number: U-COV100 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In stock 1 pc Price on request - + Recommended U-T7EMP-2S Empty cold trap for UNITY series 2 Price on request T-2HD CW agents (in particular HD) cold trap, TT24-7 Price on request U-T1HBL-2S High boilers, C6 - C40, cold trap Price on request