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. Nonsterile Nylon Syringe Filters, 0.45(μm), 13(mm), 100 pack, POUCH100
    Manufacturer: I W Tremont
    Cytiva/Whatman Equivalent: 6789-1304 Pall Equivalent: 4426 Millipore Equivalent: SLHN013NL MFS/Advantec Equivalent: 13NP045AN Sartorius: 1776C----------Q (100 per PK )
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    was $82.35 Special Price $65.54
  2. NanoGF™ Binderless Grade A-83 glass fiber filter media, 0.5micron retention, 3.2cm diameter - 100/pk, PK100
    Manufacturer: I W Tremont
    This new grade has a particle retention of 0.5µm. It has >20x loading capacity of an equivalent porosity MCE, CN, ePTFE or PVDF membrane and >15x the flow rate. Back pressure is nearly non-existent in comparison to surface membranes. Chemically inert, pure binderless borosilicate glass with no sizing additives or other surfactants. Low background noise in LC/GC/MS and very low extractables in presence of aggressive solvents. MFS/Advantec Equivalent: GC-50 32MM (100 per PK )
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    was $62.03 Special Price $58.81
  3. Hydrophobic PTFE membrane, NON-STERILE, 0.22 micron, 25mm diameter, PK100
    Manufacturer: I W Tremont
    Cytiva/Whatman Equivalent: 10411405 Pall Equivalent: 66142 Millipore Equivalent: FGLP02500 MFS/Advantec Equivalent: T020A025A Sartorius: 11807--25------N Environmental Express (CP) Equivalent: F25020T (100 per PK )
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    was $95.24 Special Price $67.77
  4. 1000 mL Vacuum Filtration, 0.45 μm, PES, Sterile, 1/pk, 12/cs
    Manufacturer: Nest Scientific
    High flow rates and high throughput Precise graduation on the bottle wall Various specifications:Membrane materials include: PES, PVDF CA MCE ; Volume: 250ml 500ml and 1000ml Low protein binding Gamma-ray sterilization Filter diameter: 250ml volume for the 50mm membrane diameter 500ml volume for the 90mm membrane diameter. The design of hose connector is adaptable to various hose diameters. Light weight and firm outer wall structure, easy to grasp" (12 per CS )
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    was $272.23 Special Price $242.96
  5. Filter Paper - Superior, 12.5cm, pk of 100 circles
    Manufacturer: Eisco Scientific LLC
    Filter Paper - Superior, 12.5cm, pk of 100 circles (10 per PK )
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    was $10.60 Special Price $8.62
  6. 250ml Vacuum Filter Top and Bottle, PES 0.22um, Sterile, 1/pk, 12/cs
    Manufacturer: Nest Scientific
    High flow rates and high throughput Precise graduation on the bottle wall Various specifications:Membrane materials include: PES, PVDF CA MCE ; Volume: 250ml 500ml and 1000ml Low protein binding Gamma-ray sterilization Filter diameter: 250ml volume for the 50mm membrane diameter 500ml volume for the 90mm membrane diameter. The design of hose connector is adaptable to various hose diameters. Light weight and firm outer wall structure, easy to grasp" (12 per CS )
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    was $137.47 Special Price $122.69
  7. Hydrophobic PTFE membrane, NON-STERILE, 0.45 micron, 90mm diameter, PK100
    Manufacturer: I W Tremont
    Millipore Equivalent: FHLP09050 Sartorius: 11806--90------G (100 per PK )
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    was $532.28 Special Price $378.66
  8. Grade TSS cut to 9.0cm diameter - 100/pk Binderless glass microfiber for determination of total suspended solids, PK100
    Manufacturer: I W Tremont
    Pall Equivalent: 61664 Ahlstrom Equivalent: 1610-0900 Sartorius: FT-3-1106-090 (100 per PK )
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    was $40.43 Special Price $38.03
  9. Grade TSS cut to 15.0cm diameter - 100/pk Binderless glass microfiber for determination of total suspended solids, PK100
    Manufacturer: I W Tremont
    Ahlstrom Equivalent: 1610-1500 Sartorius: FT-3-1106-150 Environmental Express (CP) Equivalent: FG85125MM (100 per PK )
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    was $88.46 Special Price $83.21
  10. 500mL Bottle Top Filter, PES Filter Material, 0.45μm, 90mm, Sterile, CS24
    Manufacturer: CELLTREAT Scientific Products
    Fits on standard GL 45 threaded bottles Improved filter support provides faster flow rates Easy-to-read molded graduation marks on bottle top filter Larger membrane diameter for 250 & 500mL filters increases flow and reduces clogs for faster filtration 90mm diameter of 500mL membrane has 44% more filtration area than standard 75mm - Larger area, same price Angled hose barb adapter fits three size hose diameters and prevents the filter from tipping Printed lot number and expiration date on every bottle top Bold easy-to-read printed membrane and pore size for easy identification Polyethersulfone (PES) membrane is useful for high flow and low binding Nylon (PA) membrane has excellent chemical compatibility and does not require pre-wetting 0.22µm PES membrane is the first choice for sterile filtration of cell culture media 0.10µm PES membrane ideal for mycoplasma removal 0.45µm PES membrane ideal for solution clarification (24 per CS)
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    was $353.00 Special Price $267.60
  11. EZFlow® PTFE Hydrophobic Membrane Filters, 0.22um, 25mm Diameter Filter Discs, 50/PK
    Manufacturer: Foxx Life Sciences
    EZFlow® PTFE Hydrophobic Membrane Filters, 0.22um, 25mm Diameter Filter Discs, 50/PK (50 per PK )
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    was $61.72 Special Price $48.81
  12. Non-sterile, LabExact® with H&V Trupor® Nylon membrane syringe filters, 0.22(μm), 25(mm), 100 pack, POUCH100
    Manufacturer: I W Tremont
    HydroBlokr™ functions via use of proprietarily designed, multi-layered series of membranes placed within an ultrasonically welded device which creates a check-valve effect when wet. The functional membrane within the series immediately reacts in presence of aqueous solution by stopping and blocking further passage1 . The materials create a highly retentive pore structure which helps protect the user environment2 . The extraordinarily high flow rates compared to other simple hydrophobic barrier filters creates a high-flow, less restrictive path for vacuum and positive pressure to pass. Unlike simple hydrophobic barrier filters, once HydroBlokr™ is wetted it halts operation and locks out further usage until replaced. No further aspiration is possible, thus helping to protect your sample3 and making it plainly obvious the filter has become wet and replacement is necessary. (100 per PK )
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    was $171.43 Special Price $118.80
  13. Sterile MCE Syringe Filters, 0.22(μm), 13(mm), 100 pack, POUCH100
    Manufacturer: I W Tremont
    HydroBlokr™ functions via use of proprietarily designed, multi-layered series of membranes placed within an ultrasonically welded device which creates a check-valve effect when wet. The functional membrane within the series immediately reacts in presence of aqueous solution by stopping and blocking further passage1 . The materials create a highly retentive pore structure which helps protect the user environment2 . The extraordinarily high flow rates compared to other simple hydrophobic barrier filters creates a high-flow, less restrictive path for vacuum and positive pressure to pass. Unlike simple hydrophobic barrier filters, once HydroBlokr™ is wetted it halts operation and locks out further usage until replaced. No further aspiration is possible, thus helping to protect your sample3 and making it plainly obvious the filter has become wet and replacement is necessary. (100 per PK )
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    was $261.37 Special Price $208.31
  14. Sterile PES Syringe Filters, 0.22(μm), 13(mm), 100 pack, POUCH100
    Manufacturer: I W Tremont
    Cytiva/Whatman Equivalent: 6780-1302 Pall Equivalent: 4602 Sartorius: 1776D----------ACK (100 per PK )
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    was $261.37 Special Price $208.31
  15. 150 mL Vacuum Filtration, 0.22 μm, PVDF, Sterile, 1/pk, 12/cs
    Manufacturer: Nest Scientific
    High flow rates and high throughput Precise graduation on the bottle wall Various specifications:Membrane materials include: PES, PVDF CA MCE ; Volume: 250ml 500ml and 1000ml Low protein binding Gamma-ray sterilization Filter diameter: 250ml volume for the 50mm membrane diameter 500ml volume for the 90mm membrane diameter. The design of hose connector is adaptable to various hose diameters. Light weight and firm outer wall structure, easy to grasp" (12 per CS )
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    was $139.66 Special Price $124.65
  16. Syringe Filter, PTFE Hydrophilic Membrane, 0.22μm Porosity, 13mm Diameter, PP Housing, STERILE, Individually Wrapped
    Manufacturer: Globe Scientific
    Syringe Filter, PTFE Hydrophilic Membrane, 0.22μm Porosity, 13mm Diameter, PP Housing, STERILE, Individually Wrapped (50 per PK)
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    was $107.20 Special Price $78.16
  17. 25 mm Gasket, Support Screen, PTFE
    Manufacturer: Wheaton
    25mm Filtration Assemblies Components Support Screen Gasket PTFE 25mm Filtration Assemblies with No. 5 Stopper Connections With Stainless Steel Support. This unit is designed for filtering viscous or proteinaceous solutions or to produce ultraclean filtrate.
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    was $29.88 Special Price $24.74
  18. Nonsterile MultiDensity Syringe Filters, 0.7μm, 25mm, PK100
    Manufacturer: I W Tremont
    HydroBlokr™ functions via use of proprietarily designed, multi-layered series of membranes placed within an ultrasonically welded device which creates a check-valve effect when wet. The functional membrane within the series immediately reacts in presence of aqueous solution by stopping and blocking further passage1 . The materials create a highly retentive pore structure which helps protect the user environment2 . The extraordinarily high flow rates compared to other simple hydrophobic barrier filters creates a high-flow, less restrictive path for vacuum and positive pressure to pass. Unlike simple hydrophobic barrier filters, once HydroBlokr™ is wetted it halts operation and locks out further usage until replaced. No further aspiration is possible, thus helping to protect your sample3 and making it plainly obvious the filter has become wet and replacement is necessary. (100 per PK )
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    was $214.66 Special Price $191.63
  19. Autofil® Sterile Disposable Bottle Top Vacuum Filters with 0.2um Sterilizing PES Membrane, 500mL, 24/CS
    Manufacturer: Foxx Life Sciences
    Autofil® Sterile Disposable Bottle Top Vacuum Filters with 0.2um Sterilizing PES Membrane, 500mL, 24/CS (24 per CS )
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    was $312.14 Special Price $246.94
  20. Hydrophobic PTFE membrane, NON-STERILE, 0.45 micron, 25mm diameter, PK100
    Manufacturer: I W Tremont
    Cytiva/Whatman Equivalent: 10411305 Pall Equivalent: 66148 Millipore Equivalent: FHLP02500 Sartorius: 11806--25------N Environmental Express (CP) Equivalent: F25045T (100 per PK )
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    was $95.24 Special Price $67.77
  21. Syringe Filter, 13mm Housing Diameter, 0.22um PES membrane, Sterile, Individually wrapped, 50/cs
    Manufacturer: Nest Scientific
    For sample volumes of 2mL to 100mL Retention volume <115µL Maximum operating temperature: 100C autoclave at 125C for 15 min. Maximum operating pressure approximately 100 psi (50 per CS )
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    was $64.71 Special Price $57.75
  22. Diamond PureFlow Vacuum Filter System, 500mL, PES Membrane, 0.10μm Porosity, STERILE, Individually Wrapped
    Manufacturer: Globe Scientific
    Diamond PureFlow Vacuum Filter System, 500mL, PES Membrane, 0.10μm Porosity, STERILE, Individually Wrapped (12 per CS)
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    was $294.30 Special Price $214.60
  23. 500ml Vacuum Filter Tops, PES 0.22um, Sterile, 1/pk, 24/cs
    Manufacturer: Nest Scientific
    High flow rates and high throughput Precise graduation on the bottle wall Various specifications:Membrane materials include: PES, PVDF CA MCE ; Volume: 250ml 500ml and 1000ml Low protein binding Gamma-ray sterilization Filter diameter: 250ml volume for the 50mm membrane diameter 500ml volume for the 90mm membrane diameter. The design of hose connector is adaptable to various hose diameters. Light weight and firm outer wall structure, easy to grasp" (24 per CS )
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    was $239.74 Special Price $213.97
  24. Quartz microfiber, 12.5cm diameter, high purity (SiO2) microfiber filters , binderless, 1000°C+ temperature - 50/pk, PK100
    Manufacturer: I W Tremont
    Environmental Express (CP) Equivalent: FQ110MM (100 per PK )
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    was $291.86 Special Price $251.65
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