FEP gas sampling bag with PTFE dual-valve, 5L Back Catalog number: FEP32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T6SUL-2S Sulphur/labile cold trap, Price on request C-TDKIT-01 Essential TD Starter Kit Price on request T-4ATX Air toxics cold trap, TT24-7 Price on request