| If the application calls for high dust-holding capacity and | | | | Quadrafoam or Polyester, is mechanically formed, with |
| low airflow resistance Polyfold filters can do the job. | | | | no areas of tension and minimal distortion, into gently |
| Further, these industrial filters fit the bill both for | | | | rolling pleats. The pleating produces even airflow |
| applications that need a permanent solution and for | | | | throughout the entire area of the filter. This design |
| applications where a disposable option is required. | | | | lowers airflow resistance while greatly increasing |
| Polyfold filters are an excellent choice for both | | | | dust-holding capacity. The Polyfold filter frame is |
| commercial and industrial use. For permanent models, | | | | roll-formed into a sturdy one-piece channel made of |
| Polyfold filters use either Uni-Foam or Quadrafoam | | | | 0.40-inch thick 3000 series aluminum. The frame is |
| media. Uni-Foam media can be used indoors or | | | | fitted tightly to the filter media and fastened with two |
| outdoors. It is able to withstand exposure to moisture in | | | | aluminum rivets. In addition, the air filters feature |
| outdoor environments. Its cellular media structure | | | | Uni-Grid support, which consists of expanded aluminum |
| serves as a mist eliminator, reducing entry of rainwater | | | | and is about 85 percent open to lower airflow |
| and water splash. Some models with Uni-Foam media | | | | resistance. The 0.40-inch-thick 3000 series aluminum is |
| are also designed for application in equipment with | | | | expanded on specially designed Uni-Grid equipment. |
| limited space for filtration. | | | | Quadrafoam, Uni-Foam and Polyester media are also |
| Quadrafoam is open-cell polyurethane foam with a | | | | used in their own namesake air filters: the |
| flame-retardant coating that allows the filters to meet | | | | Quadrafoam, Uni-Foam and Polyester air filter. In these |
| UL 94V-0 standards. Deep loading, with a large | | | | customs, the media fill some more specific applications. |
| dust-holding capacity, Quadrafoam also offers low | | | | Uni-Foam filters are an excellent choice for medical, |
| airflow resistance. Polyfold disposable filters use | | | | electronics, computer, telecom, datacom and |
| Polyester media, which is a non-woven, non-migrating, | | | | general-purpose applications. Quadrafoam meets the |
| synthetic material. Produced using advanced | | | | requirements of electronics, computer, telecom, |
| manufacturing technology; it provides ASHRAE dust | | | | datacom, medical and general-purpose equipment, as |
| arrestance to 90 percent in a filter that delivers | | | | well. With their high dust arrestance and low airflow |
| uniformity and excellent filtering performance. | | | | resistance, disposable Polyester filters work |
| In a Polyfold air filter, the media, whether Uni-Foam, | | | | exceptionally well in HVAC applications. |