Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Back Catalog number: TDL32_2L Availability: In the manufacturer's stock Price on request - + Recommended P-CP001 VOC-Mole cap assembly,pk 1 Price on request U-COV35 O-Ring, low-emission, size 035,pk10 Price on request 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Price on request