FEP gas sampling bag with PTFE dual-valve, 2L Back Catalog number: HEDFEP32_2L Availability: In the manufacturer's stock Price on request - + Recommended U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request OST-LENZ01320014 Screw caps for screwthread tubes GL14 Price on request M-SPGSC-250 Adjustable sprung spacer, for M-CTE250I,pk 4 Price on request