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-ULKIT TD automation/ULTRA-xr starter kit Price on request U-COV1517 Spare O-ring, brown, for POD sampler (diffusive body), pk 20 Price on request M-MCTOPI Removable lids for M-CTE120I, inert,pk 6 Price on request