Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: DEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended M-TCN04 O-Ring, size 007, and spacer,pk 6 Price on request C-POD-H010 Spare Support Body, for POD sampler, pk 10 Price on request NDV32_5L New DEVEX gas sampling bags with PTFE dual-valve, 5L Price on request