Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: HEDTDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended U-HSAG-20 HiSorb Agitator, accommodates 16 vials (20mL) Price on request C-EZVOCTG Easy-VOC TubeTAG Interface Price on request M-DSK15-120 Spacer disc, alum, 1.5mm, for M-CTE120I,pk 24 Price on request