The Tough Air Filters are designed to withstand harsh environments, including those where high-temperature, high-humidity chemicals or solvents are present. The filters are said to optimize reliable forced air thermal management and can provide EMI/RFI shielding, along with particulate protection for electronics equipment used in both indoor and outdoor environments. The filters incorporate Quadrafoam II media, a coated polyether urethane formulation, which is said to be more rigid than typical filter materials to sustain an open-pored cellular structure and maintain performance characteristics despite the presence of heat and moisture.
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