LPS is dedicated to providing affordable laboratory filtration supplies to meet the needs of researchers and scientists around the world. Our range of products includes high-quality cellulose, glass fiber, paper and other membrane filters, syringe and bottletop filters, thimbles, and systems that are designed to help you achieve accurate and reliable results in your experiments.

Our products are available in various sizes and materials to suit your specific requirements. Whether you are conducting research in a university laboratory, performing testing at a pharmaceutical company, or carrying out experiments in a biotech start-up, we have the laboratory filtration supplies you need to get the job done.  Contact us for assistance in finding the ideal materials for your application.

Filtration

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  1. United Scientific™ Filter Paper, Circular, Grade 1, 24 cm Diameter
    Manufacturer: United Scientific Supplies
    The most widely used qualitative filter paper for routine applications. Medium porosity and flow rate. 100 circles packed in a cardboard box. (100 per PK )
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    was $34.20 Special Price $24.94
  2. United Scientific™ Filter Paper, Rectangular, Grade 1, 8.5in X 11in
    Manufacturer: United Scientific Supplies
    Superior quality neutral filter paper.  Suitable for medium filtration, very low ash content. (100 per PK )
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    was $50.55 Special Price $38.33
  3. United Scientific™ Replacement Fritted Glass Base With Stopper, 25mm
    Manufacturer: United Scientific Supplies
    Replacement fritted glass base with stopper for Microanalysis Vacuum Filter Holder Set (FHMA25) (1 per EA)
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    was $126.00 Special Price $101.00
  4. United Scientific™ Microanalysis Vacuum Filter Holder Set, Stainless, 25mm
    Manufacturer: United Scientific Supplies
    Designed for particulate or biological contamination analysis of small volumes using a vacuum filter. Includes a fritted glass filter support and No. 5 perforated silicone stopper for easy attachment to a vacuum filtering flask. (1 per EA)
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    was $278.00 Special Price $243.38
  5. United Scientific™ Replacement Spring Clamp, 25mm
    Manufacturer: United Scientific Supplies
    Replacement 25mm spring clamp designed for use with Microanalysis Vacuum Filter Holder Sets (FHMA25 and FHMS25-S). (1 per EA)
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    was $88.25 Special Price $70.75
  6. United Scientific™ Vacuum Filter Holder Set, 90mm
    Manufacturer: United Scientific Supplies
    This all-glass filter holder is used in particulate contamination analysis for filtering aqueous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtrationThis all-glass filter holder is used in particulate contamination analysis for filtering aqueous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration (1 per EA)
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    was $861.00 Special Price $753.08
  7. United Scientific™ Replacement Base And Stainless Steel Screen, 25mm
    Manufacturer: United Scientific Supplies
    Replacement 25mm base and stainless steel screen designed for use with Microanalysis Vacuum Filter Holder Set, Stainless (FHMS25-S). (1 per EA)
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    was $126.00 Special Price $101.00
  8. United Scientific™ Filter Paper, Rectangular, Grade 1, 18in X 22in
    Manufacturer: United Scientific Supplies
    Superior quality neutral filter paper.  Suitable for medium filtration, very low ash content. (100 per PK )
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    was $72.50 Special Price $54.90
  9. United Scientific™ Replacement Perforated Silicone Stopper, No. 5
    Manufacturer: United Scientific Supplies
    Replacement perforated silicone #5 stopper, designed for use with Microanalysis Vacuum Filter Holder Sets (FHMA25 and FHMS25-S). (1 per EA)
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    was $14.40 Special Price $10.09
  10. United Scientific™ Vacuum Filtering Flask, 4000ml Capacity
    Manufacturer: United Scientific Supplies
    Replacement 4000ml vacuum filtering flask designed for use with: Vacuum Filter Holder Set with Stainless Steel Screen (FHSS47); Vacuum Filter Holder Set with PTFE Coated Funnel and Base (FHPT47); and Vacuum Filter Holder Set with Fritted Glass Support Base (FHFT47). (1 per EA)
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    was $256.50 Special Price $224.55
  11. United Scientific™ Filter Paper, Circular, Grade 1, 32 cm Diameter
    Manufacturer: United Scientific Supplies
    The most widely used qualitative filter paper for routine applications. Medium porosity and flow rate. 100 circles packed in a cardboard box. (100 per PK )
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    was $35.05 Special Price $25.55
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