The Sankyo Denki GL4 UV Germicidal Lamp is an efficient solution for air and surface sterilization in industrial or commercial settings. This 4-watt T5 UV-C lamp, operating at 120 volts, delivers approximately 100 microwatts/cm² of UV-C light at 254nm, ideal for disinfecting HVAC systems, water treatment units, or small sterilization applications. With an 8,000-hour lifespan, its durable quartz glass ensures long-term performance without ozone emission. Perfect for maintaining clean air and water, this lamp eliminates bacteria, viruses, and other pathogens, enhancing safety in critical environments. Its slim 0.625-inch diameter T5 design fits standard UV fixtures, and the 2-pin base ensures secure installation. Operating at 120 volts, it integrates seamlessly into UV systems, offering reliable, energy-efficient disinfection. This lamp replaces the Sankyo Denki GL4 or similar 4W T5 UV-C germicidal models, ensuring compatibility with standard HVAC or water purification setups. Built for durability and effectiveness, it’s an essential tool for maintaining hygienic, pathogen-free spaces. Protect your systems with this dependable UV-C lamp—shop now for lasting, high-quality sterilization!

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.