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-TO15-KXR Focusing trap, Trace TO-15, for UNITY-xr with Kori-xr Price on request U-COV100 O-Ring, low-emission, size 010, pk/100 Price on request M-SPC15-120 Collar spacer, alum 15mm, for M-CTE120I,pk 6 Price on request