These electrostatic air filters feature a polypropylene mesh, a washable and durable alternative to disposable filters. A triboelectric charge enhances the attraction of airborne dust. The frame is roll-formed into a sturdy one-piece channel, letting the filter stand up to repeated cleanings and harsh environments. The filter can be fit to several frame sizes, which use thick 3000-series aluminum. The filters are UL900 classified, mildew resistant, and UV protected.
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