Tedlar PVF Gas Sampling Bags with PTFE straight On/Off valve, 5L Back Catalog number: TDL31_5L Availability: In the manufacturer's stock Price on request - + Recommended 1970-0007 O-RING-007 .145 ID x .070 W for LFS-113 (5 Required ) Each Price on request C-POD-1XX POD Cartridge, Carbopack X, pk 10 Price on request U-COV45 O-Ring, low-emission, 5.92mm i.d. pk10 (6mm Difflo Price on request