Multi-layer gas sampling bags, PP valve (4.76mm), 1L Back Catalog number: HEDMBT71_1L Availability: In the manufacturer's stock Price on request - + Recommended T-8MAT Materials emissions cold trap, TT24-7 Price on request OST-201-3424 Tube gas sampling 150ml nozzle (GL14), septum Price on request C-POD-B010 Spare Diffusive Body, for POD sampler, pk 10 Price on request