This Filtration Kit allows rapid separation of mixtures via vacuum filtration. The stopper is cut to hold a Buchner funnel. The hand-operated vacuum pump simplifies vacuum filtration, eliminating the need for a water source or vacuum aspirator. It is more economical than an electric vacuum pump.…

These heat-insulating pads with low thermal conductivity are made from flexible aluminum and silica oxides with a small amount of organic binder. They are useful for protecting surfaces when working with hot items like crucibles or flasks. Sold in packs of 12 or case of 120. …

These clips are meant to secure the connection of two ground glass joints. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including styrene, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information…