Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Back Catalog number: TDL71_6L Availability: In the manufacturer's stock Price on request - + Recommended P-CPU10 Unions, for VOC-Mole cap assembly,pk10 Price on request C-POD-S1P0 POD Support Plate, with clip, pk 100 Price on request M-MCHOR O-Ring, micro-chamber pan seal, for M-CTE120I,pk 6 Price on request