Polyester gas sampling bag with PTFE dual-valve, 2L Back Catalog number: POL32_2L Availability: In the manufacturer's stock Price on request - + Recommended SERLFP-5003 Spare back pressure adapter, ACTI-VOC Price on request C-POD-C010 Spare Cover, for POD sampler, pk 10 Price on request M-SPC05-250 Collar spacer, alum 5mm, for M-CTE250I,pk 4 Price on request