Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDPOL32_5L Availability: In the manufacturer's stock Price on request - + Recommended OST-201-3421 Tube gas sampling 350, nozzle (GL14), septum Price on request T-4ATX Air toxics cold trap, TT24-7 Price on request RMK-0006 Routine maintenance kit for M-CTE120I Price on request