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 M-SPC05-120 Collar spacer, alum 5mm, for M-CTE120I,pk 6 Price on request C-POD-KIT01 POD Starter Kit: Carbopack X Price on request M-TSTIN Inserts, PTFE,pk 6 Price on request