This Kontes® all glass extraction thimble allows visual examination during the extraction and subsequent weighing. Unit has coarse (40 to 60µm) glass fritted disc sealed. Capacity: 55mL. Height: 90mm. Body O.D.: 35mm. Material: Glass. Disc Diameter: 30mm. Frit Height: 75mm. Size: 222C. Pore Size: 40 to 60µm. Kimble Chase #: 586500-0222.