Tedlar PVF Gas Sampling Bag with PP valve, 5L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_5L Availability: In the manufacturer's stock Price on request - + Recommended M-SPC15-250 Collar spacer, alum 15mm, for M-CTE250I,pk 4 Price on request 1233 BALLOONS FOR GAS SAMPLING, 4Liters Price on request M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request