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Types of filter housings available at Cole-Parmer
Material of housing for filter holders available at Cole-Parmer include polysulphone (inexpensive), polypropylene, glass, SS, PTFE and other materials
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Bottle Top Filters
- Direct filtration into sterile glass media bottles
- Vacuum port in middle juncture – vacuum allows for faster filtration due to pressure differential at filter membrane versus gravity feed
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Filter Units
- Membrane holder, vacuum arm and receivers are complete system
- Filter application for Cell Culture Media, Biological Fluids, Aqueous Solutions
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In-line Filter Holders
- Available with connections for tubing, pipes and syringes
- Range of materials for suitability with applications such as liquids or gas filtration for acid, oil, high purity compressed gas and biological media
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Centrifuge Filters
- More effective filtration due to extreme pressure at filtration membrane from centrifugal forces.
- Advantages – highly reproducible, minimal sample loss
- Applications – sample concentration, protein, peptide, DNA purification, buffer exchange, salt & radio label removal
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Syringe Filters
- Bi-directional filters
- Available with luer slip and lock fit connections
- Applications – HPLC, microbiological analysis, waste water treatment, sterilization of aqueous solutions, cryogenic fluids, macromolecules, protein binding
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Vacuum filtration Holders and Manifolds
- Connect 3-6 filter holders to one vacuum source. 2-3 way valves available to control vacuum or venting.
- Application – ideal for testing of antibiotics and pharmaceuticals b bacteria retentive methods
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Bag Filters
- High flow – 150 LPM
- Large solids – 1 to 800 um
- Pressure ratings up 6.8 bar
- Range of compatibility with organic solvents, animal fat, petroleum, vegetable oils, micro-organisms, alkalis, organic acids, oxidizing agents and mineral acids
- Available with pressure gauge
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Heavy duty bag filter
- High flow – 830 LPM
- Available with a wide range of bags for temperature, flow rate and filtration quality
- Offer 98% efficiency at rated pore size
- Easy bag change out
- Applications – filtration of coolants, solvents, process water, ground water, oils for foods, lubrication and hydraulics
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Cartridge style filters
- Housing sizes up to 2” in metal and plastic designs for standard and high purity applications
- Temperatures up to 157oC
- Pressures up to 17 bar
- 20” stacked systems
Cartridges types
Double open end cartridges
- Over 50 items with standard diameter of 2 ¾” for sediment, organic, lead, scale, and deionization treatment
- Filtration down to 0.2 micro with flows up to 76 LPM
- Includes variations that are autoclavable, biologically safe and FDA approved
High flow double open end cartridges
- 4 ½” diameter for sediment, organiscs, oil, iron and deionization treatment
- Filtration down to 0.5 microns with flows up to 190 LPM
Single open end cartridges
- Includes antimicrobial elements with filtration down to 0.1 micron
- Cartridges meet USP, FDA and NSF criteria
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