Feature:1. Excellent quality, highly cost effective.2. Replacement bulbs for UV sterilizer or air cleaner.3. Help to sterilize and keep a healthy environment for fish tank.4. Test We Passed: Our product has passed test of CE and ROHS.5. Excellent quality, highly cost effective.6. Replacement bulbs for UV sterilizer or air cleaner.7. Help to sterilize and keep a healthy environment for fish tank.8. Test We Passed: Our product has passed test of CE and ROHS.9. Aquarium Fish Tank UV Sterilizer Purifier Bulbs Germicidal Ultraviolet Replacement Light Bulbs Multi One Size 2PCSSpecification:This is an excellent UV light bulb. It can be widely used for aquarium fish tank sterilizer, germicidal and air cleaner as replacement bulbs.Features:Excellent quality, highly cost effective.Replacement bulbs for UV sterilizer or air cleaner.Help to sterilize and keep a healthy environment for fish tank.Test We Passed:Our product has passed test of CE and ROHS.Note: This UV sterilizer light bulb is used with electronic ballast, please don't use it with alternating current(AC), or it will burn out.Specifications:Type: H TypeTube Material: Quartz Glass TubeRated Voltage: 120-220VWave Length: 254Rated Power: 9WBase Type: G23Chroma: 254/185Product Size: 16.3 * 3.2cm / 6.42 * 1.26"(L * W)Product Weight: 27.5g / 0.97oz(Each)Package Included:2 * Light BulbsPackage List:2 * Light Bulbs