36" Buchner Filtration KitBuchner Filtration Kit This filtration kit is operated by using a vacuum pump to pull the solution through the filter paper to remove particulate. The funnel has a 36" perforated plate to support the filter paper. The 150 liter collection vessel has multiple sight glass ports so that you can easily view inside the vessel as well as hold up a flashlight if needed. The standard lid includes a pressure gauge, KF 25 vacuum port, and a valve to release