Multi-layer gas sampling bags, PP valve (4.76mm), 1L Back Catalog number: MBT71_1L Availability: In the manufacturer's stock Price on request - + Recommended TDL71_0.3L Tedlar PVF Gas Sampling Bag with PP valve, 0,3L Price on request C-MCTEKIT-120 Low Temperature MCTE Starter Kit Price on request C-POD-KIT01-TNXTA POD Starter kit: Tenax TA Price on request