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 FEP32_2L FEP gas sampling bag with PTFE dual-valve, 2L Price on request C-POD-S010 POD Sampler, pk 10 Price on request C-POD-KIT01-5TD POD Starter Kit: Carbograph 5TD Price on request