Devex Gas sampling bags 10L, PP screw cap valve, 3/16'' OD (4.76mm) Back Catalog number: HEDDEV71_10L Availability: In the manufacturer's stock Price on request - + Recommended C-TO17KIT TO-17 Starter Kit Price on request C-KITDD-2S Direct desorp (VDA 278) starter kit Price on request SERZ-1070 Spare bag sampling accessory, ACTI-VOC Price on request