Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: POL32_5L Availability: In the manufacturer's stock Price on request - + Recommended M-MCHOR250HT O-Ring, micro-chamber pan seal,pk 4 Price on request TDL71_10L Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Price on request C-POD-KIT01 POD Starter Kit: Carbopack X Price on request