Pal Surgical Works offers Lightweight and Easy to Clean Buchner Funnel. Pal Surgical Works is an ISO 9001:2000 certified company. The Lightweight and Easy to Clean Buchner Funnel is moulded in Polypropylene. These are two piece funnels and are autoclavable. The top portion can be snap fitted with the lower one forming a vacuum seal which does not require greasing. The base of the top portion has a perforated filter plate.