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 RMK-0005 RoutMainten kit - TT24-7 Price on request C-HSINS10-6 Agitator spacer for vials, 20mL to 10mL, pk/6 Price on request C-KIT325T-2S 325 Tube Kit Price on request