Screw caps for screwthread tubes GL14, bore 8mm Back Catalog number: OST-201-0246 Availability: In the manufacturer's stock Price on request - + Recommended M-MCTOPI Removable lids for M-CTE120I, inert,pk 6 Price on request U-T4WMT-2S Water Management, ethane - C20, cold trap Price on request C-CRCK Canister Rack Connection Kit, for connecting 15 x 1/4" outlet canisters to U-RACK02 Price on request