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 1970-0234 O-RING-234 For High Flow Damper Plate Price on request C-POD-KIT01-TNXTA POD Starter kit: Tenax TA Price on request HEDTDL71_6L Tedlar PVF Gas Sampling Bag with PP valve, 6L, 3/16'' OD (4.76mm) Price on request