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 P-00030 VOC-Mole assembly, 830mm,pk10 Price on request T-12AM Focusing trap, Air Monitoring, for TT24-7 Price on request C-HSINS2-4 Spacer for Agitator, to accommodate for 2mL vials, pk 4 Price on request