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 U-T22117-2S Focusing trap, China Air 117, for for UNITY-xr, TD100-xr, Centri Price on request U-COV10 O-Ring, low-emission,size 010, pk10(e2/e3 systems) Price on request M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request