Screw caps for screwthread tubes GL14 Back Catalog number: OST-LENZ01320014 Availability: In the manufacturer's stock Price on request - + Recommended M-MCHSS250I Sample pans for M-CTE250I, inert,pk 4 Price on request TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request