LSE Lighting compatible UV Bulb 13W for Pura 1GPM 10-212 UV10 UV11 Brand: LSE Lighting Bulb Type: Ultraviolet Germicidal Bulb UV-C 254nm - Warranty: 1 year [recommend to replace every 12 month] Wattage: 13W - Length Approx: 8 5/8" - Base Type: 4pin (4pins on Each End) This UV replacement lamp by (LSE Lighting) brand is 100% compatible for use with Pura 1GPM 10-212 UV10 UV11 water system. 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).