Lab Filtration Products

Depth filtration glass micro fiber 934-AH® - Fine porosity, fast flow rate, with a 1.5 µm size particle retention. This material is the standard for volatile suspended solids content and related measurements (Standard Methods 2540D and EPA Method 160.2). Also widely used in cell harvesting...

Quantitative cellulose filter papers are primarily used in gravimetric analysis procedures and perform separations by entrapping particulate within the random matrix of cellulose fibers within the depth of the media. This media family is also widely used in methods to prepare samples for further...

Filter directly into centrifuge tubes Sterile, individually packaged Certified non-pyrogenic Minimizes contamination Low protein binding, 50 mm diameter cellulose acetate (CA) membrane, recommended for use with samples requiring highest protein yields. Eliminates unneccesary transfer and minimizes...

Uniform pore structure for low binding applications where reliable, fast flow rates and high throughputs are required Polyethersulfone Plain surface Hydrophilic Withstands temperatures up to 135°C Filters are inert, providing extremely low extractable levels in critical sterilization...

EZFlow 13mm and 25mm Sample Prep Syringe Filters are designed for aqueous and organic solution samples. The sample prep syringe filters are used for clarification and particle removal from samples before instrumental analysis such as HPLC, IC, and GC. These syringe filters are available in a variety...

Cell Strainers Extended tab for easy handling Argos cell strainers offer a simple, ready to use method for securing single-cell suspensions.  Available in filter mesh diameters of 40, 70 and 100µm. They are compatible with 50mL centrifuge tubes and feature color-coded polypropylene...

Advantec Qualitative Filter Papers are made of 100% cotton linter cellulose. Primarily used for clarifying and removing precipitates (ppt) and preparation for quantitative analysis. These papers can be used over a pH range from 0-12 and a maximum temperature of 120°C. Ash content of 0.1%. Papers...

Membrane filters for quantitative determination of microorganisms in QC analysis. Cellulose Nitrate (Cellulose Ester) and Cellulose Acetate filters are offered with or without a hydrophobic edge and/or grid, respectively. Sterile membranes are individually, packaged and are optionally available in...

Extend the life of final filters Pore sizes from 0.5 µm to 1.0 µm With or without binders Autoclavable PreSep prefilters are biologically inert and highly resistant to oxidizing agents and weak acids. Primarily used to extend the life of a final filter, they can also be used as a...

Made of sturdy polypropylene and strong nylon mesh Three different pore sizes available: 40μm, 70μm, or 100μm, strainers are color-coded according to pore size for convenience Fits perfectly into Biologix 50mL Centrifuge Tubes Gamma radiation sterilized, non-pyrogenic

Ahlstrom offers gridded sterile membranes packed individually for use in colony counting, particle testing, and microscopy. These cellulose nitrate (CN) membranes are available in a standard 47 mm diameter size. Each membrane is individually packaged and 760219 squares are in a strip that can be fed...

Nest syringe filters have pore size either 0.22μm or 0.45μm, and diameter 13mm or 25mm, with membrane materials either with PES or PVDF membranes. For sample volumes of 2mL to 100mL Retention volume<115 µl maximum operating temperature: 100°c autoclave at 125°c for 15 min....<>

Sterile Mixed Cellulose Esters (MCE) Membrane Filters - White Available pore sizes: 0.20µm, 0.45µm, 0.65µm, 0.80µm, 1.0µm, 3.0µm Color: White Surface: Gridded or Plain, and with or without Hydrophobic Edge (HE) Packaging: Individually wrapped or multipack, and...

Foxx Life Sciences’ Autofil Bottle-Top Filtration Systems are disposable, sterile, vacuum operated systems for the sterile preparation of buffers, tissue culture media, microbiological media, and other biological fluids. Systems are available with asymmetric 0.22 µm (sterilization grade)...

CELLTREAT Vacuum Filter Systems are ideal for large volume sample separation and purification. The filter systems are manufactured in a Class 100,000 clean room, from USP class VI virgin polystyrene. The filter membrane is Polyethersulfone (PES) material in 0.22µm or 0.45µm pore sizes...

Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still...

High retentivity, perfect for general laboratory filtering and qualitative analysis 10µL (micron) pore size Medium speed (85gsm) Pack of 100 circles Premium quality filter paper for use in labs. Medium speed. Pore size: 10µL. Pack of 100 circles.

Ideal for aqueous (non-acidic) or organic sample preparation and HPLC, GC or dissolution sample analysis. With its excellent flow characteristics, very low extractable levels and mechanical stability, Nylon offers the best combination of physical parameters to meet the most stringent analytical...

CELLTREAT Scientific Products offers an extensive line of disposable syringe filter devices designed specifically for the filtration of culture media and organic solvents in research and industrial laboratories.  They are made with an ABS housing in various diameters which contains a...

Filtration without material transfer Ideal for filtration involving recovery of solids High-density polyethylene coarse porosity disc (90-130 micron) and body Use directly or precoat for fine filtration Large filter has a serrated tubing connector

Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is required....

Depth filtration glass micro fiber GRADE A - Fine porosity, fast flow rate, with a 1.6µm size particle retention. Frequently used in the filtration of precipitated proteins and cells. Ideally suited for use as a filter for radioimmuno assay of weak beta emitters by scintillation counting and...

Designed for general qualitative laboratory work Fast filtering speed; 25um particle retention Low retentivity, which retains coarse or gelatinous precipitates such as aluminum hydroxide, cobalt carbonate, mercury iodide and magnesium hydroxide Creped surface; thickness approximately 0.23 mm; 24...

Designed for general qualitative laboratory work Medium filtering speed; 6 µm particle retention Medium retentivity, which retains medium crystalline precipitates such as aluminum phosphates, barium carbonate and lead chromate Thickness approximately 0.15 mm 6 µm pore size