Choose Options Compare KARTELL Buchner Funnel Adaptor for Buchner Flasks (Select Your Size) $33.00 +GST These Neoprene Buchner Funnel Adaptors allow funnels to be used with various size Buchner Flasks. The adaptors ensure a seal is formed around the funnel so a vacuum can then be effectively made. Sizes available follow: Art.N.Ext. Ø mmInt... $33.00 +GST Choose Options Compare