Home Products Parts & Accessories Set of 12 graduated glass tubes for EasyFill Rack R-12 Analyst, residual volume 1.0 mL Concentrate to specific volume 毕业的12集玻璃管的年代yncorePlus Analyst rack R-12 you can concentrate a working volume of up to 120 mL to a residual volume of 1.0 mL. Services More Services Discover our services Installation Maintenance & Repair Qualification & Calibration Training