30mm column O.D. and 300mm effective length 24/40 standard taper top outer joint With fritted disc and PTFE stopcock G3 15 - 40 μm Nominal Max. Pore Size Made by hand-blowing to ensure achieving the best performance Our Labware refers to a range of equipment and containers designed for use in laboratory environments. These items are typically crafted from materials like glass, plastic, or metal to ensure durability and chemical resistance. Common examples include beakers, test tubes, flasks, and petri dishes, which are used for measuring, mixing, or storing in scientific, educational, or industrial settings.