Check the listing for details. ONE HOUR Quantum Germicidal LR Ultraviolet Sterilization System. Color: Purple, Condition: Open box. Listed at 49.99 USD. Quantum Germicidal LR® Ultraviolet Sterilization System QGLR-OH23W18LProtect HVAC from Buildup of Organic MaterialsPART ELECTRICAL LAMP LAMP LAMP UVC LAMP UV OUTPUT AMP PARABOLIC CODE POWER DIMENSIONS LIFE-HRS WATTAGE TYPE uw/cm at 2.5’ DRAW REFLECTOR QGLR-OH18W15L 24V 14.25” x .75 dia 9000 18 Watt 254 N Quartz 93 .75A Yes QGLR-OH23W18L 24V (18”)17.25” x .75 dia 9000 23 Watt 254 N Quartz 145 1.0A Yes PRODUCT DETAILS FEATURES • Optimum output ballast • Extended range ballast • Anodized Parabolic Reflector • Ceramic collar Quartz lamps • Enhanced parabolic reflector directional germicidal effect • 12” and 16” models available Airtight homes trap organic material, bacteria and viruses, which are major culprits in triggering allergies and asthma attacks. The Quantum Germicidal LR is designed to sterilize your A-Coil. A UV light is mounted inside your A-Coil where bacteria and organic material grows. The light’s ultraviolet rays destroy any microbial growth, leaving a clean indoor coil and fresher, healthier air circulating in your home. • Improves indoor air quality • Eliminates bacteria, organic material, and viruses on equipment • Improves equipment efficiency