Microscale, vacuum adapter with vertically adjustable Hirsch filter funnel that is suitable for use with all Microscale flasks and vials with standard taper 14/10 joints

This two-piece vacuum 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 hose connection. Plain stem funnel has a disc diameter of 10 mm with a capacity above disc of approximately 7 mL. Sintered disc offered in Porosity C (25-50 micron) or Porosity D (10-20 micron). Note: without funnel, vacuum adapter will accept thermometers and bleed tubes. Complete item consists of vacuum adapter with nylon bushing and FETFE O-Ring, and funnel. Use with 5/16" I.D. tubing, size A hose connection.