9 Air filters for forced air cooling and ambient air ventilation for use as a component in computer and digital electronic equipment in the nature of computers, routers, electronic switches, computer servers, transmission equipment in the nature of fiber optic transmitters, optic add and drop multiplexers, and wave division multiplexers, telecommunications base stations, computer data storage equipment, network access equipment server hardware, encoders, electrical controllers, gaming equipment machines in the nature of slot machines, card shufflers, electronic poker tables and chip handlers, scanners, electronic video surveillance equipment, laboratory equipment, test equipment in the nature of automated test equipment for material testing, aerospace testing, mobile hydraulics testing and pharmaceutical and polymer manufacturing, network diagnostics equipment, benchtop test equipment and automotive test equipment, and computer network diagnostic equipment, steam sterilizers for laboratory use, lasers for non-medical purposes, scientific apparatus in the nature of liquid chromatography and gas chromatography, microanalysis spectrometers, pharmacy dispensing systems comprised of machines for dispensing pre-determined dosages of medication, electronic signage, digital projectors in the nature of three dimensional projectors, video projectors, digital cinema projectors, digital light processor projectors and LCD projectors, displays in the nature of LED video displays, scoreboards, LED displays and LCD displays, uninterruptible power supply systems, auxiliary power units for supplying electrical power, inverters, fuel cells, turbines, switchgears, electronic avionic apparatus, and satellite communications and electronic countermeasures in the nature of infrared guided missile countermeasure devices for military aerospace use, all of the foregoing for use in the computer networking, medical, power generation, industrial machinery, transportation, automotive, laboratory testing, pharmaceutical, food and beverage equipment, gaming, electronic display, aerospace, and military industries