LSE Lighting compatible UV Bulb 25W for Pura UV20BB UV22 UV102 UV20 Brand: LSE Lighting Bulb Type: Ultraviolet Germicidal Bulb UV-C 254nm - Warranty: 1 year [recommend to replace every 12 month] Wattage: 25W - Length: 17 1/4" (436mm) - Base Type: 4pin (4pins on ONE END) This UV replacement lamp by (LSE Lighting) brand is 100% compatible for use with Pura models UV20BB UV22 UV102 UV20. All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell (Pure Water Products) brand lamps. All (Pure Water Products) brand names, trademarks and logos are property of (Pure Water Products).