Air filter.The Air Filtration division of Freudenberg Nonwovens, Chelmsford, MA, has developed the "Viledon MR 90 Rigid Filter," for applications where turbulence turbulence, state of violent or agitated behavior in a fluid. Turbulent behavior is characteristic of systems of large numbers of particles, and its unpredictability and randomness has long thwarted attempts to fully understand it, even with such powerful tools as , humidity humidity, moisture content of the atmosphere, a primary element of climate. Humidity measurements include absolute humidity, the mass of water vapor per unit volume of natural air; relative humidity (usually meant when the term humidity or space limitations present special operating problems. In a compact design just 12 inches deep, the MR 90 rigid filter offers all the advantages of Viledon's field-proven, microfiber mi·cro·fi·ber n. An extremely fine synthetic fiber that can be woven into textiles with the texture and drape of natural-fiber cloth but with enhanced washability, breathability, and water repellancy. filtration media. Providing 90% ASHRAE ASHRAE American Society of Heating, Refrigerating & Air Conditioning Engineers efficiency and low pressure drop, the MR 90 incorporates electret microfiber media for high collection efficiency. The filter also makes use of the "Ultrabond" process and expanded metal media backing to provide increased media stability and greater resistance to turbulence. |
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