LSE Lighting compatible UV Bulb 3W for use with Honeywell HWN500 Model Brand: LSE Lighting Wattage: 3.5W Bulb Type: UV-C Ultraviolet, Base Type: E17 Intermediate Screw-In This UV replacement lamp by (LSE Lighting) brand is 100% compatible for use with Honeywell HWN500 Model. All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Honeywell brand lamps. All Honeywell brand names, trademarks and logos are property of Honeywell.