EXCLUSIVELY DESIGNED- Hassle free fit! This genuine UV C light perfectly fit Homedics AP-T20, AP-T20WT, AP-T30, AP-T35, AP-T45, AP-T45WT, AP-T40, AP-T40WT, 1461901 series air purifiers. UV bulb dimension: Lengt 4.5", Glass Bulb Φ 0.3", Plastic Head Φ 0.4". Package included: 2x Bulbs GOOD QUALITY&PRICE- Good quality are essential for maintaining product performance, our UV-C Bulb are manufactured under the strictest quality standards by SendExtra, pay less to get your air purifier start a new life. GENUINE UV-C TECHNOLOGY- The UV-C bulb is designed to last for approximately 10,000 hours of use. Let our 3 Watt bulb with the power of UV-C replacement parts to maintain your air purifier peak performance! EASY TO INSTALL- Everyone can do it! The UV-C button on the control panel will flash red when the UV-C bulb burns out and needs to be replaced. The UV-C button will change to blue once the bulb has been replaced. LIFETIME SUPPORT- If you have questions or problems with bulbs at any time don’t hesitate to give us a call or E-mail, Our customer support team are here to help! Disclaimer: This bulb is not an OEM product. This replacement bulb is a generic item that is designed to replace the original part. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility. Package included: 2 x UV Bulbs