🟣Compatible Replacement: Engineered as a direct replacement for Emperor Aquatics 25W Smart UV systems—model 20025. 🟣Powerful UV-C Output: Delivers 25 watts of 254nm ultraviolet light for superior performance in water systems. 🟣High Quality Construction: Built with durable quartz glass and a T5 4-pin base (all pins on one end) for reliable, long-term use. 🟣Extended Lamp Life: Offers an average service life of up to 10,000 hours, reducing replacement frequency and maintenance costs. 🟣EPA Registered Manufacturer: Produced by LSE Lighting in EPA Registered Establishment No. 96823-PA-1. Designed for consistent performance and safety. Upgrade your Emperor Aquatics UV system with the LSE Lighting 20025 UV Bulb, a premium 25W lamp designed for long-lasting performance and compatibility. At 18.5 inches in length with a 4-pin T5 base, this lamp is a perfect fit for Emperor Aquatics 25W Smart UV systems. Built from high-quality quartz glass, it delivers powerful 254nm UV-C output for effective control in ponds and water features. Note: All UV lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Emperor Aquatics brand lamps. All Emperor Aquatics brand names, trademarks, and logos are property of Emperor Aquatics. Warning: Ultraviolet UVC light is harmful and dangerous to your eyes and skin. Always use safety gear during installation.