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 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Price on request M-SPFSC-250 SPF Sample Cutter and Mat, for high temp Micro-chamber Price on request C-CL100 Penclips, pk100 Price on request