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 U-T15ATA-2S UNITY 2 Cold trap, TO-15/TO-17 Air Toxics C2/3 Price on request 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Requi Price on request M-DSK15-120 Spacer disc, alum, 1.5mm, for M-CTE120I,pk 24 Price on request