Microanalysis filter holders can be used with a filtering flask or a vacuum manifold to collect samples for particulate or microbiological analysis.

Glass Units:

   Glass Frit Support (13, 25, 47, 90 mm)
   Stainless Steel Support (25, 47, 90 mm)
   Teflon Support   (47 mm)
   Teflon Coated Seal (Stainless or Teflon Support) (47 mm)

Polysulfone Units (47 mm):

• Rugged autoclavable units can be purchased with a receiver flask or used with manifold or vacuum flask
• 300 ml or 500 ml funnel.

Stainless Steel Unit (47 mm):

• Type 304 stainless steel can be flame sterilized, capacity 700 ml
• Set pins and locking nut for easy assembly without tearing membrane.

All-Glass Filtration Assemblies (25, 47 mm):

• Samples filtered and collected directly into a glass receiving flask, all wetted surfaces are borosilicate glass
• Filter holder connects directly to flask with ground glass joint

Phase/Fraction Collectors (47 mm):

• Collect aliquots or direct filtrate to manifold or flask using 2-way Teflon valve
• Suitable for EPA method 1664: Oil and Grease and Total Petroleum Hydrocarbons.

Sterility Test Apparatus (47 mm):

• Used in sterility testing of antibiotics, bacteriostatic, and fungistatic drugs by the USP bacteria retentive method