Brand: LSE LightingWattage: 25WBulb Type: Ultraviolet Germicidal UV for Water PurificationBase: 4pin (4pins on ONE END)Glass Type: Quartz Glass TubeSuper Life Rating: 12,000hrsWarranty: 2 years [recommend to replace every 12month]*Cross Reference Model # JSA-1000 for compatibility purposes only*This UV lamp by (LSE Lighting) brand is 100% compatible replacement for use with Samkun Century JSA-1000 water purifier.All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Samkun Century brand lamps. All Samkun Century brand names, trademarks and logos are property of Samkun Century. Warning: Ultraviolet Germicidal UVC light is harmful and dangerous to your eyes and skin. Please Use safety gear during installation.