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 1232 BALLOONS FOR GAS SAMPLING, 2Liters Price on request C-HSINS2-4 Spacer for Agitator, to accommodate for 2mL vials, pk 4 Price on request U-T2GPH-2S UNITY 2 & TD-100 Cold trap general purpose hydrop Price on request