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.

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  1. 150 mL Vacuum Filtration, 0.10 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 $135.86 Special Price $121.25
  2. Sterile PTFE Syringe Filters, 0.22(μm), 13(mm), Hydrophilic, 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 $305.93 Special Price $243.82
  3. Nonsterile Nylon, 0.22 (µm), 17 (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 $87.84 Special Price $69.87
  4. Gasket PTFE 47mm
    Manufacturer: Kimble Chase
    Filtration Microfiltration Assembly 47 mm with Bottle and Stainless Steel Support Ultra-Ware Component Parts (4) PTFE Support Screen Gasket. (1 per EA)
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    was $5.91 Special Price $5.81
  5. Nonsterile Nylon Syringe Filters, 0.22(μm), 13(mm), 100 pack, POUCH100
    Manufacturer: I W Tremont
    Cytiva/Whatman Equivalent: 6789-1302 Pall Equivalent: 4427 Millipore Equivalent: SLGN013NK MFS/Advantec Equivalent: 13NP022AN Sartorius: 1776B----------Q Environmental Express (CP) Equivalent: SF122N (100 per PK )
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    was $114.72 Special Price $65.54
  6. Filter Paper - Economy, Student's Quality, 12.5cm, pk of 100 circles
    Manufacturer: Eisco Scientific LLC
    Filter Paper - Economy, Student's Quality, 12.5cm, pk of 100 circles (10 per PK )
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    was $9.80 Special Price $7.97
  7. Autofil® Sterile Disposable Bottle Top Vacuum Filter Units with 0.1um PES Membrane for Mycoplasma Removal, 500mL, 12/CS
    Manufacturer: Foxx Life Sciences
    Autofil® Sterile Disposable Bottle Top Vacuum Filter Units with 0.1um PES Membrane for Mycoplasma Removal, 500mL, 12/CS (12 per CS )
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    was $282.08 Special Price $223.15
  8. 500mL Bottle Top Filter, PES Filter Material, 0.22μm, 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 $354.00 Special Price $268.34
  9. Nonsterile PTFE Syringe Filters, 0.45(μm), 13(mm), Hydrophilic, 100 pack, POUCH100
    Manufacturer: I W Tremont
    Millipore Equivalent: SLCR013NL MFS/Advantec Equivalent: 13HP050AN (100 per PK )
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    was $192.37 Special Price $153.08
  10. Grade A cut 7.0cm diameter - 100/pk Binderless glass microfiber filter media, PK100
    Manufacturer: I W Tremont
    Cytiva/Whatman Equivalent: 1820-070 Millipore Equivalent: APFA 070 00 Ahlstrom Equivalent: 1110-0700 MFS/Advantec Equivalent: GA5570MM Sartorius: FT-3-1101-070 (100 per PK )
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    was $37.16 Special Price $35.82
  11. 150 mL Bottle Top Vacuum Filter, 0.22μm, PVDF, 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 $189.83 Special Price $169.42
  12. Syringe Filter, CA Membrane, 0.45μm Porosity, 30mm Diameter, PP Housing, STERILE, Individually Wrapped
    Manufacturer: Globe Scientific
    Syringe Filter, CA Membrane, 0.45μm Porosity, 30mm Diameter, PP Housing, STERILE, Individually Wrapped (50 per PK)
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    was $157.10 Special Price $114.56
  13. Manifold, Supports, Funnels and Clips, 3-Place
    SKU: AL3-EA
    Manufacturer: Microspec Ltd
    Manifold, Supports, Funnels and Clips, 3-Place (1 per EA )
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    was $1,650.00 Special Price $1,501.50
  14. 1000 mL Vacuum Filtration, 0.10 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
  15. Biologix sterile vacuum filtration unit, membrane: PES,pore size: 0.22um,diameter:90mm, 500ml, CS12
    Manufacturer: Biologix
    Biologix sterile vacuum filtration unit, membrane: PES,pore size: 0.22µm,diameter:90mm, funnel volume: 500ml, receiver volume: 500ml. individually packed (12 per CS )
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    was $143.24 Special Price $114.70
  16. Filter System, 500ml, .45um, Ca, S, Ind, Cs 12
    Manufacturer: Corning
    For vacuum filtration of tissue culture or other aqueous solutions Sterile, individually packaged Color-coded by membrane type Certified non-pyrogenic Prefilters included Two-piece, polystyrene, graduated funnel and receiver unit are sterilized by gamma irradiation. Caps for receiver bottle are supplied sterile and individually packaged. Receiver bottles feature easy-grip sides for improved handling. Angled hose connectors simplify vacuum line attachment. Convert to storage bottles by unthreading filter and inserting the plug cap. Available in various capacities from 150 mL to 1 L, with choice of membrane filter material: Cellulose Acetate (CA) with 0.22 or 0.45 µm pore size; Cellulose Nitrate (CN) or Nylon (NY) with 0.2 µm pore size; and Polyethersulfone (PES) with 0.22 µm pore size. Receiver bottle and funnel are of the same capacity except for 4619W32 and W34, which have 500 mL funnels and 1 L receiver bottles. (12 per CS )
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    $224.74
  17. Syringe Filter, 25mm Housing Diameter, 0.22um PVDF 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 $84.82 Special Price $75.71
  18. EZFlow® Sterile Cellulose Acetate (CA) Syringe Filters, 0.22um Sterilizing Membrane, 25mm, 100/PK
    Manufacturer: Foxx Life Sciences
    EZFlow® Sterile Cellulose Acetate (CA) Syringe Filters, 0.22um Sterilizing Membrane, 25mm, 100/PK (100 per PK )
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    was $265.92 Special Price $210.38
  19. Rubber cone, size 5, Bottom 38mm Top 56mm, Ht 35mm,Thickness3.5mm
    Manufacturer: Eisco Scientific LLC
    Rubber cone, size 5, Bottom 38mm Top 56mm, Ht 35mm,Thickness3.5mm (1 per EA )
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    was $4.25 Special Price $3.47
  20. Sterile GF Syringe Filters, 1.00(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 $307.48 Special Price $245.07
  21. EZFlow® PES Membrane Filters, 0.45um, 13mm Diameter Filter Discs, Non-Sterile, 100/PK
    Manufacturer: Foxx Life Sciences
    EZFlow® PES Membrane Filters, 0.45um, 13mm Diameter Filter Discs, Non-Sterile, 100/PK (100 per PK )
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    was $262.92 Special Price $207.98
  22. Grade TSS cut to 3.2cm diameter - 100/pk Binderless glass microfiber for determination of total suspended solids, PK100
    Manufacturer: I W Tremont
    Environmental Express (CP) Equivalent: FG85025MM (100 per PK )
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    was $17.04 Special Price $16.01
  23. 1000 mL Bottle Top Vacuum Filter, 0.22 μm, PES, 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 $343.69 Special Price $306.74
  24. 250mL Bottle Top Filter, PES Filter Material, 0.45μm, 75mm, 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 $282.00 Special Price $210.00
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