MicroFunnel Disposable Filter Funnel Sterile 100mL. White gridded 0.45um GN-6 mixed cellulose ester membrane. Integral membrane seal with squeeze separation of cylinder from base for easy access to membrane. Filtration area: 13.46cm2. 635mm Hg vacuum. 6.1dia.x7.6Hcm (with cover). Petri dish lid.