DEVEX sampling bags with PTFE straight and septum valve with OD 6mm, 5L Back Catalog number: HEDNDV31_5L Availability: In the manufacturer's stock Price on request - + Recommended T-9GPC General purpose carbon cold trap, TT24-7 Price on request U-CENKIT Starter Kit: Centri booster pack (DiffLok caps and O-rings) Price on request M-DSK15-250 Spacer disc, alum, 1.5mm, for M-CTE250I,pk 24 Price on request