Micro Filter Funnel with Sintered Disc. Description: A Micro Filter Funnel with a Sintered Disc is a laboratory tool used for filtration. It typically consists of a funnel with an integrated sintered glass disc, which acts as a filter. This setup allows for precise filtration without the need for additional filter paper. Different brands offer variations of these funnels, such as: DURAN® Büchner Filter Funnel – Made from borosilicate glass and available in different sizes and porosities. Duran® Sintered Disc Filter Funnel – Often used for mercury filtration and preparative work, with pore sizes ranging from 40-100 μm. PYREX® Micro Filter Funnel – Designed for micro-scale filtration, featuring a 15mm diameter sintered disc. Catalog Number:10600691