Filters, Air Monitoring

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....

Safe, convenient laboratory pipetting Pipets over 2,000 times without recharging Lightweight (<10 oz.), compact (<7 in.) and totally portable with power built into the handle filtered, fail-safe nosepiece provides positive protection for electronic components and prevents cross-contamination...<>

Phase separator paper

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...

Quick and efficient filtration of samples and all kind of solutions, solvents or gases Housing injected in Polypropylene or Acrylic Multifunctional Syringe Filters: equipped with luer-lock or luer-slip male connections for different applications Sterilized or non-sterile Available in bulk-packages...

Non-sterile, sample prep membrane filters 7 membrane types Female Luer-Lock inlet, male Luer-slip outlet Solvent resistant polypropylene housings PES, GMF, Polypropylene and Cellulose Acetate membranes are certified for Ion Chromatography The polypropylene housings with all Target syringe filters...

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...

Longer lightweight handle reduces arm strain Efficient pump for extended operation Three speed settings for precise control The Portable Pipet-Aid XL has a longer handle to reduce arm strain during pipetting. Its ergonomic design includes an adjustable sliding hand rest and a removable stand that...

Pure PTFE (Polytetrafluoroethylene) fibers are sintered to create a unique depth-type filter. These PTFE filters offer superior handling and minimal fiber slough-off compared to glass and quartz filters. Naturally hydrophobic, the media will separate aqueous from non-aqueous phases of mixtures....

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...

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 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

Disposable Syringe Filters featuring: Polypropylene housing Leur-Lok and pressure fitting Convenient color coding system Broad filter material selection Ultrasonically bonded for reliability Polyvinylidene difluoride (PVDF) This membrane features a stability and hydrophobic interactions similar to...

Glass microfiber filters offered in this product range are produced from 100% borosilicate glass microfiber without the use of binders or strengthening agents. These filters offer many advantages in a wide range of analytical applications. The fibers used to manufacture these depth filters are...

Depth filtration glass micro fiber GRADE E - Fine porosity, fast flow rate, with a 1.3 µm size particle retention. This material is an economical media for suspended particle analysis in water, cell harvesting, pre-filtration and air monitoring applications. Binderless borosilicate glass...

Designed for very fine precipitates Slow filtering speed; 1 µm particle retention High retentivity, which retains very fine crystalline precipitates such as cuprous oxide, lead sulfate, barium sulfate and manganese carbonate Thickness approximately 0.20 mm, 1.5 µm pore size

Disposable Syringe Filters featuring: Polypropylene housing Leur-Lok and pressure fitting Convenient color coding system Broad filter material selection Ultrasonically bonded for reliability Mixed Cellulose Ester (MCE) Filtration of aqueous solutions; effectively binds trace proteins.

Advantec Glass Fiber Depth Filters feature high-loading capacity, fast flow rates, are highly resistant to chemical attack, and biologically inert. General purpose and clarifying filtration grades. Binder-free and thermostable to 500°C. Grade GA55 is a thin filter recommended for clarifying...

EZFlow 13mm, 25mm, and 33mm Syringe Filters are used for prefiltration, clarification, or fine particulate removal. These syringe filters are available in a variety of filter membrane materials, offered in 0.2µm or 0.45µm pore sizes. The filter membranes are reinforced with polypropylene...

Minisart HF: Sterile filtration and particle removal. These ready-to-use syringe filter with Polyethersulfone (PES) membrane have excellent flow speed and high filterable volume.

6514F35 of borosilicate glass, with Standard Taper 35/25 socket mouth; without stopper or sample carrier. 6514F40 stopper fits the 500 and 1,000 mL flasks; glass hook tip on lower end; platinum sample carrier not included. Black paper sample wrappers (6514F70) absorb heat quickly for infrared...

Qualitative cellulose filter papers perform separation by entrapping particulate within the random matrix of cellulose fibers within the depth of the media. This media is widely used in methods requiring the determination and identification of particulate in both liquids and gas. Also, this natural...

A deep black, qualitative paper for filtering light colored sediments, etc. Medium speed Retains crystalline precipitates of medium fineness 6 µm pore size

Depth Filtration Glass Micro Fiber GRADE D - Coarse porosity, fast flow rate, with a 2.7 µm size particle retention. Well suited for higher volume and repetitive laboratory filtering. Also ideally used as a general pre-filter to extend primary filter life. Binderless borosilicate glass...