O-Rings, low-emission,pk100 Back Catalog number: U-COV450 Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended FLD32_5L Fluode gas sampling bag with PTFE dual-valve, 5L Price on request TDL32_2L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Price on request NDV31_50L New Devex Sampling Bag with PTFE Valve & Septum Fitting, 50L Price on request