Brand: LSE Lighting EPA Registered Establishment: EPA Est. No. 96823-PA-1 Type: 254nm A20008 - 12" (287mm) A20010 - 12" (287mm) A20015 - 12" (287mm) A20025 - 17" (436mm) A20040 - 33" (843mm) A20057 - 18" (450mm) Operating Current: 425mA Base: 4pin Material: Premium Quartz Glass These UV Lamps by LSE Lighting brand are 100% compatible with Aqua Ultraviolet systems. Please select proper model for your system to ensure 100% fit. All lamps listed are LSE Lighting brand products. All UV Lamps listed are LSE Lighting brand products. We do not sell Aqua Ultraviolet brand Lamps. All Aqua Ultraviolet brand names, trademarks and logos are property of Aqua Ultraviolet respectfully. Warning: Ultraviolet Germicidal UVC light is harmful and dangerous to your eyes and skin. Please Use safety gear during installation. Ultraviolet UV Lamp - 100% Equivalent UVC Bulb for use with Aqua systems, please select model # which is required for your system.