Devex Gas sampling bags 5L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_5L Availability: In the manufacturer's stock Price on request - + Recommended T-11OP Ozone precursors trap, TT24-7 Price on request P-00001 VOC-Mole assembly, 230mm,pk 1 Price on request M-DSK15-120 Spacer disc, alum, 1.5mm, for M-CTE120I,pk 24 Price on request