Vacuum Pump Accessory Kit, Comes with 1 EA Acrylic Pump Plate, 1 EA 6inx11in Glass Bell Jar, 5' High Vacuum Tubing, 2 Hose Clamps, 1 Quart High Vacuum Pump Oil, 3 EA Balloons, 1 EA Petri Dish
Class 7 Economical Stainless Steel Cylindrical Weight, For rough weighing operations in physical and chemical laboratories, such as force measuring apparatus. 200g
Handheld Fluorimeter for Heavy Metals, and Case, One-button push for metals detection and analysis, Usable heavy metals data available quickly, platform centric portable device for heavy metals testing for drinking water and industrial water supplies.