Inserts, PTFE,pk 6 Back Catalog number: M-TSTIN Manufacturer: MARKES INTERNATIONAL LIMITED Availability: In the manufacturer's stock Price on request - + Recommended TDL32_2L Tedlar PVF Gas Sampling Bag with PTFE dual-valve, 2L Price on request C-POD-KIT04 POD Starter kit: Carbograph 2TD Price on request M-MCAL50 Disposable dish, alum, 50mL,pk100 Price on request