FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDFEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T9TNX-2S Unity 2/TD-100 Cold trap, Tenax TA Price on request C-HSINS10-6 Agitator spacer for vials, 20mL to 10mL, pk/6 Price on request M-MCTOP250I Removable lids for M-CTE250I, inert,pk 4 Price on request