Tedlar PVF Gas Sampling Bag with PP valve, 10L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_10L Availability: In the manufacturer's stock Price on request - + Recommended M-MCHOR O-Ring, micro-chamber pan seal, for M-CTE120I,pk 6 Price on request U-T22117-2S Focusing trap, China Air 117, for for UNITY-xr, TD100-xr, Centri Price on request C-POD-B010 Spare Diffusive Body, for POD sampler, pk 10 Price on request