Table-top Buchner funnels are available with porous or perforated filter plates. Filter plates are either fixed or removable. Funnels feature one-piece, welded construction with welded-in plate and multiple-ring support grid below the plate. A non-porous ring around the plate seals the filter paper.

Perforared plate is ³/₁₆" (4.8 mm) thick with ³/₁₆" perforations on ⁷/₁₆" (11 mm) centers. Good for coarse filtration or use with cloth or paper filter.