LSE Lighting Compatible UV Bulb for Safeguard UV Cleanser Unit 4pin Base 12" Brand: LSE Lighting Bulb Type: Ultraviolet Lamps for HVAC UV systems Base Type: T5 4pin Base (4pins on ONE END) - Length: approx 12" This UV replacement lamp by (LSE Lighting) brand is 100% compatible for use with SafeGuard UV Cleanser 12" Model. All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell SafeGuard brand lamps. All SafeGuard brand names, trademarks and logos are property of SafeGuard.