Polyester gas sampling bag with PTFE dual-valve, 5L Back Catalog number: HEDPOL32_5L Availability: In the manufacturer's stock Price on request - + Recommended M-MCAL20 Disposable dish, alum, 20mL,pk100 Price on request M-TICAP Tube interface cap for removable lid,pk 6 Price on request U-T1KORI Empty cold trap, KORI-xr Price on request