Frequently Asked Questions Archives

Frequently Asked Questions

Are Universal Air Filter products RoHS Compliant?

All Universal Air Filter products –Quadrafoam™, Unifoam, Polyester, Windowpane,Flexframe, and Dual EMI – are RoHS Compliant with the EU Directives for banned substances. Whether a framed air filter assembly, or media only pad, all air filter products are RoHS Compliant. Framed filter assemblies containing special metal finishes are treated with a RoHS Compliant or chrome-free, chemical conversion coating. All Telcordia NEBS, UL […]

What features in addition to air filtration can I receive if I specify Universal Air Filter?

Air-Diffusion – Proper thermal management should also consider air-straightening capabilities of the air filter to ensure sufficient cooling. Many ventilation systems generate turbulent flow at the inlet when air rapidly enters the enclosure while being sliced by fan blades, then is forced to turn sharp corners. This turbulence creates noise, slows the airflow before exiting, and […]

How can air filter effects on overall system pressure drop be predicted?

Thermal analysis software is available for thermal / mechanical designers to simulate and predict cooling requirements. The thermal software packages, configured with component thermal libraries, enable users to predict pressure drop through air filter elements quickly and accurately. Universal Air Filter has provided filtration performance data to thermal analysis software suppliers, including Flotherm, Icepak, Macroflow […]

What is the shelf life of foam and what is the recommended method of storage?

Since air filter foam can be subjected to a variety of environments beyond our control, Universal does not publish a life expectancy. “Shelf life” is not typically used to describe longevity because it is a relative term. The ideal storage condition for polyurethane foam is a cool, dry, dark environment. Conditions that adversely affect the […]

Does Universal Make HEPA or Other High Efficiency Air Filters

High efficiency pleated media is available from Universal Air Filter Company in MERV 11, MERV 13, and MERV 15 efficiency ratings. Visit our High Efficiency Filters product page for more details. Universal makes also washable pre-filters for HEPA and cleanroom systems. Filters are designed to extend the life of the more expensive, throw-away HEPA filters.

What are Framed Air FilterAssembly and Pad Air Filter Manufacturing Tolerances

Framed Filters +/-.06″ length & width, +/-.03″ thickness Pad Filters +/-.12″ length & width, +/-.06″ thickness

How do I find the part number on my UAF air filter?

Sometimes finding the specific part number on your air filter can be challenging due to a number of things that are listed on UAF air filters. Universal Air Filter parts have contact info, UL listing, air flow, and model number all marked on your air filter. Watch the video to help find out how you […]

What is the recommended method of cleaning Universal air filters?

Four easy ways to clean Universal’s Windowpane, Quadrafoam™ and Uni-Foam Air Filters: Vacuum Clean – A few passes of a vacuum cleaner will remove accumulated dust and dirt in seconds. Blow with Compressed Air – Point compressed air nozzle in opposite direction of operating air flow (blow from exhaust side toward intake side). Cold Water Rinse – Under […]