Southern Labware offers a wide variety of laboratory Buchner funnels for your vacuum filtration needs. All funnels are made from durable porcelain or polypropylene for chemical resistance and thermal shock resistance. We also offer Buchner funnels with fritted discs for situations where filter paper or membranes are not suitable. https://www.southernlabware.com/vacuum-filtration/buchner-funnels.html