General Laboratory Supply offers the highest quality Buchner Funnel for your lab needs. Our Buchner Funnels are made with durable borosilicate glass and feature a fritted disc to filter out solid particles. The funnel also has a standard taper outer joint to fit most filter flasks. Our Buchner Funnels are perfect for use in filtration and liquid-solid separations in the lab. Visit us! https://www.gogenlab.com/lab-s....upplies/funnels/porc