Filters are essential in research laboratories and many other industries for removing particulates and creating environments conducive to a wide array of experiments and procedures. The devices come in different forms including in-line filters, paper discs, small capsules, and large ventilation panels. Filters also purify and concentrate the liquids and gases required for testing. For air, this means removing pollution, moisture, and solid airborne particulates; for liquids, this means removing impurities and small contaminants.
Lab tangential flow systems, Centramate™ and Centramate™ PE
Supplier: Cytiva (Formerly Pall Lab)
Tangential flow system, Centramate™ Cassette Holders, Polyethylene Holder with Centramate Cassette Stainless Steel Top and Bottom, Brace plates, Assorted Fittings, Torque Wrench and Socket
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Bottle top vacuum filtration systems, Corning®
Supplier: Corning
PS bottle top vacuum filters with adapters colour coded by membrane type: Polyethersulfone (PES) yellow; cellulose acetate (CA) orange; nylon (NY) red.
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Filtration capsules, Sartoclean® CA
Supplier: Sartorius
CA prefilters prevent early blockage of downstream sterilising grade membrane filters. The heterogeneous double layer construction provides optimal retention and throughput.
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In-line filters, high-pressure cup-type
Supplier: Restek
High-pressure cup-type filter made up of 316 stainless steel which is used in fluid streams operating to 1034 bar.
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Filter paper, folded, Assistent®
Supplier: GLASWARENFABRIK KARL HECHT
Smooth and medium fast filter papers, suitable for the analysis of fats (due to low ether-soluble residue).
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Last drop filters
Supplier: Restek
The flat filter element sits parallel to the bottom of the mobile phase reservoir, allowing the filter to draw 98% of the mobile phase without drawing air into the system. Conventional cylindrical mobile phase filters begin to draw air into the system when approximately 10% of the solvent remains in the reservoir.
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Filters for extraction cells, ASE® 200 systems
Supplier: Restek
These filter are made of cellulose or glass fibre. Ideal for ASE® 200 extraction cells.
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Sartobind® Rapid A Labs
Supplier: Sartorius
To affinity and beyond: Fast, flexible and future-proof antibody purification.
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Filter papers, medium fast and fast
Supplier: GLASWARENFABRIK KARL HECHT
Folded filter papers are suitable for the analysis of fats (due to low ether-soluble residue).
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Solvent filter, bluestem glass
Supplier: Restek
This solvent filter is made up of borosilicate glass and is used to prevent the particulates and microbial growth in the solvents from entering the system.
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Thomson SINGLE StEP Low-Evaporation Filter Vials
Supplier: Restek
Thomson SINGLE StEP low evaporation filter vials with screw-top caps, 0,45 µm, PTFE with low-evaporation cap, blue cap, 100 pack.
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Membrane filters, non sterile, ReliaDisc™
Supplier: Ahlstrom-Munksjö
These plain white non sterile microfiltration membranes are used to remove particles and microorganisms from various organic solvents and aqueous solutions.
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Inlet filters, low-pressure CPI, for HPLC system
Supplier: Restek
A 316 stainless steel knurled cap and Tefzel CPI ferrule seal to ¹/₈" Ext.Ø PTFE tubing when finger tightened onto the precision-machined filter holder.
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Filtration capsules, Sartoclean® GF MidiCaps
Supplier: Sartorius
Ready-to-connect units contains a multi-step combination of filters for effective and economical particle removal.
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Syringe filters, ReliaPrep™
Supplier: Ahlstrom-Munksjö
These syringe filters are suitable for convenient sample preparation and fluid sterilization. The syringe filters for highly loaded aqueous solutions including a glass fiber prefilter and a cellulose acetate membrane are also available with MBS housing and male Luer lock outlet.
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UHPLC precolumn filters, UltraShield
Supplier: Restek
Titanium filter in a stainless steel body with PEEK ferrule. Its design easily fits with all columns.
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Syringe filters, with Luer lock inlet
Supplier: Restek
Syringe filters with hydrophobic PTFE membranes and PP housing are used for organic solvents, acids, alcohols, bases and aromatics.
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T-series TFF cassettes with Omega™ membrane
Supplier: Cytiva (Formerly Pall Lab)
T-series centramate cassettes with Omega™ membrane are ideal for development, pilot, and production scale TFF applications in diverse biological and biopharmaceutical processes.
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Prefiltration capsules, Sartopure® GF Plus
Supplier: Sartorius
Glass fibre, PP support layers. They are self-contained, ready to use filter units for removal of contaminants like colloids, lipids, protein aggregates and particles from bio-pharmaceutical fluids. They are used for protection of membrane filters, chromatography- and ultrafiltration systems.
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Membrane Centramate™ cassettes
Supplier: Cytiva (Formerly Pall Lab)
Tangential flow cassette, Centramate™, Membrane: Supor®, Filtration area: 200, Pore size: 0,2 µm
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Tangential flow systems, Ultralab™
Supplier: Cytiva (Formerly Pall Lab)
These systems are designed for use in diafiltration procedures which are faster and more efficient than dialysis for buffer exchange and desalting, and for concentration of dilute sample volumes of up to five litres.
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Filtration capsules, Sartopore® Platinum
Supplier: Sartorius
Sartopore® Platinum sterilising grade MidiCaps® are self-contained sterile filter units designed for pharmaceutical and biotechnology industry. These filters contain a unique heterogeneous double layer of hydrophilised polyethersulfone membranes and are specially designed to meet the requirements for filtration of a broad range of pharmaceutical products.
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Membrane filters, gridded, ReliaDisc™
Supplier: Ahlstrom-Munksjö
These gridded sterile membranes are specifically designed to save time when performing colony counting and microbiological quality control. The plain white non-sterile microfiltration membranes are used to remove particles and microorganisms from various organic solvents and aqueous solutions.
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Tangential flow filtration capsules, Minimate™
Supplier: Cytiva (Formerly Pall Lab)
The disposable Minimate™ TFF capsules, with Omega™ membrane, can perform concentration processes desalting or buffer exchange on the same system with minimal user intervention, and achieves high concentration factors in a single step due to the low hold-up volume of the devices.
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Cassette
Supplier: Spectrum Laboratories
SIUS PD cassette with HyStream membrane type and molecular weight cut-off (MWCO) of 300kD.
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Filter vials, SINGLE StEP™ eXtreme
Supplier: Restek
SINGLE StEP® eXtreme filter vials are recommended for samples containing less than 30% solid particulates and also offers fast sample filtration with a squeeze of the fingers. Fit most standard 12×32 mm autosamplers, including UHPLC instruments. It allow compounds to be separated from matrix, resulting in both higher signal-to-noise ratios and more differentiated peaks.
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Filter vials, SINGLE StEP™
Supplier: Restek
Standard filter vials are recommended for samples containing less than 10% solid particulates and also offers fast sample filtration with a squeeze of the fingers. Fit most standard 12×32 mm autosamplers, including UHPLC instruments. Nylon, PES, PTFE and PVDF membranes.
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Bottle top vacuum filtration systems, Corning®
Supplier: Corning
Vacuum filter systems available in four sizes: 150, 250, 500 ml and 1 L. Adapters are colour coded by membrane type for easy product identification: Polyethersulfone (PES) yellow; cellulose acetate (CA) orange; cellulose nitrate (CN) blue; nylon (NY) red.
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Omega™ Membrane, Centramate Cassettes
Supplier: Cytiva (Formerly Pall Lab)
Tangential flow cassette, Omega™, Filtration area: 4600 cm², MWCO: 300k