Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDPOL32_5L Availability: In the manufacturer's stock Price on request - + Recommended U-T12ME-2S Materials emissions, C4 - C32, cold trap Price on request U-T17O3P-2S Ozone precursors cold trap, UNITY 2/xr and TD-100/ Price on request OST-LENZ01341214 Silicone rubber sealings, Septa for GL 14, pk/100 Price on request