Brand: LSE Lighting® - EPA Est. No. 96823-PA-1 Bulb Type: Ultraviolet Germicidal UV Operating Current: 425mA Length: 15" Base: 4 Pin Single Ended (B16) with square bracket Wiring: PreHeat UV Power: 254NM This equivalent replacement bulb by LSE Lighting® brand is fully compatible for use with UC18S15-24B 15" UV Coil Purifier 15". All lamps listed are equivalent brand UV products, manufactured to OEM specs and quality. We do not sell DustFree brand lamps. All DustFree brand names, trademarks and logos are property of DustFree respectfully. Warning: Ultraviolet Germicidal UVC light is harmful and dangerous to your eyes and skin. Please Use safety gear during installation. Disclaimer: This is an LSE Lighting brand ultraviolet bulb. It can be used as an equivalent compatible replacement bulb for other brand bulbs. UCP-16012 Equivalent UV Lamp for UC18S15-24B 15" UV Coil 15" All UV lamps are manufactured in EPA Registered Facility: EPA Est. No. 96823-PA-1 All lamps listed are equivalent brand UV products, manufactured to OEM specs and quality.