Microscale, vacuum adapter with vertically adjustable Hirsch filter funnel that is suitable for use with all Microscale flasks and vials with 14/10 joints. Two-piece adapter features a #7 Ace-Thred at top with a Nylon bushing and O-Ring that forms a compression seal with funnel stem, bottom joint, and side size A hose connection. Plain stem funnel has a disc diameter of 10mm with a capacity above disc of approx. 7mL. Sintered disc offered in porosity C or D. Complete item: Vacuum adapter with Nylon bushing and FETFE O-ring, and funnel.