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ULPA Filters

A reliable source for ULPA Filters information and leading ULPA Filters Companies & Manufacturers.

They are not a specific type of air cleaner filter, but rather a specific filtration standard which many types of filters may meet. ULPA filters are among the highest efficiency rated filters available. The implementation of this level of air filtration is crucial as ULPA filtration has the ability to stop the spread of airborne infectious disease and toxic agents. Read More…

ULPA Filters ULPA filters are ultra-low particulate air filters that are qualified as being 99.9995% efficient in removing particles 0.12 micrometers or larger such as dust, pollen, mold, microbes and more from a given air stream. Like HEPA air filters, or high-efficiency particulate air filters, ULPA filters remove extremely small particles from the air in order to purify it.
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Leading Manufacturers

Chula Vista, CA  |  619-628-1917

Since 1986, we have been manufacturing washable metal air and grease filters. Our products are used in range hoods, heating and ventilating systems, computers and a multitude of custom applications. We use aluminum, galvanized steel and stainless steel to manufacture our products. We sell our products to qualified distributors and manufacturers throughout the US, Canada, Mexico and Puerto Rico.

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American Metal Filter Company $$$

Sterling Heights, MI  |  888-928-4708

For more than 25 years, RoboVent's focus has been on the delivery of clean air and healthy environments in manufacturing facilities. This has earned us the leading position in the collection and filtering of airborne contaminants generated by metalworking and other industrial processes. We are passionate about providing clean air solutions to the industry, and this dedication to the cause brings about results.

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RoboVent $$$

Spring, TX  |  713-253-0100

Clean Liquid Systems is a leading manufacturer of air and liquid filters. Our number one priority is to create the best filters that match the needs of our customers. We strive to have a fast turnaround while not reducing the quality of our products. Filtration is the only thing we do and ensure that we make our products right. We provide our customers with hundreds of years of experience and great prices to keep them competitive.

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Clean Liquid Systems $$$

Raleigh, NC  |  800-829-0225

A nationwide distributor of industrial air cleaning equipment and industrial air filters with on-site engineering for your most challenging indoor air pollution problems. Dust Collectors, wet collectors, mist collectors, smoke collectors, environmental control booths and downdraft tables.

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Air Purification, Inc. $$$

Wesley Chapel, FL  |  877-570-9755

American Fabric Filter offers air filtration products for many industries, including food processing, transportation, industrial, and pharmaceutical industries. We commit to quality craftsmanship and customer satisfaction. Our product lines include air filtration, liquid filtration, screens & classifying, connections and rubber products, process equipment, and even custom production options.

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American Fabric Filter $$$

Glasgow, DE  |  302-731-1700

Founded over three decades ago we have been providing exceptional air filters since our inception. We are dedicated to ensuring that our customers are receiving the highest quality products and services in the industry in order to keep them coming back to us for all of their needs. We provide some of the quickest turnaround times in the industry; allow us to put that service to work for you! Visit our website today!

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Graver Technologies $$$

Denver, CO  |  800-496-7666

MCR inventories a large stock of Cleanroom Fan Powered and Ducted Air Filters. The Mac 10 FFU is known for being the quietest filter available and has been tested below 5O dBA with a rated flow of 90 FPM. Its modular design fits conveniently into 2`x4` to 2x2 T-Bar drop ceilings, and with a low profile of less than 13" it permits installation into tight ceiling spaces. Contact our company today!

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Modular Cleanrooms, Inc. $$$
placeholder image American Metal Filter Company RoboVent Clean Liquid Systems Air Purification, Inc. American Fabric Filter Graver Technologies Modular Cleanrooms, Inc.

Hospital and healthcare organizations often employ ULPA filters in isolation, intensive care, and operation units as well as biological safety cabinets. Other industries such as aerospace, military, animal handling, biopharmaceutical facilities, heating, refrigerating and air conditioning utilize these filters as they offer "absolute filtration", meaning as close to particulate free air as is possible with current technologies.

Pre-filters in the form of foam filters or electrostatic filters can be used to remove larger particulates thereby increasing the efficiency of ULPA filters as they can then focus on smaller contaminants. Pre-filtration may extend the useful life of these precision filters for several years.

In general, ULPA filters are made of spun-hooked fibers rolled into paper-like material which is then formed into panels. The panels are often pleated to increase the surface volume of the filter without requiring a larger frame. Porosity is one of the most important considerations concerning the selection of fibers for a ULPA filter as their main goal is removing as many particulates as possible.

Measured in pores-per-linear-inch, or ppi, lower porosity signifies lesser air flow, but more filtration. Cellulose acetate, ceramic, carbon, glass fiber, cotton and polyester are all low porosity fibers commonly used alone or in combination to create filter panels. These panels are placed into frames or housing units either by the manufacturer or, in the case of separately sold components, by the user.

Housing units are built of sturdy materials to secure the filtration panels. Frame materials include aluminum, plastic, steel, Teflon and modified acrylics among others. The wide range of use for ULPA filters means many options and therefore many factors to consider when selecting an appropriate filter. Porosity, as previously discussed is one factor, while efficiency, filter length, height and width as well as ply are also important.

Though the filters themselves may become prone to shedding of particles, out-gassing, and limitations with regards to resistance to chemical deterioration, improvements in treatments and construction continue to reduce filter decline. Polypropylene, for example, is added to many fiber blends to enhance chemical resistance.

ULPA Filter Informational Video

 

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