LSE Lighting GPH330T5VH/4 UV Bulb for use with Ideal Horizons ME4 Sterilizer Brand: LSE Lighting Bulb Type: Ultraviolet Germicidal UV, Base Type: 4pin (4pins on ONE END) Wattage: 16W, Length: 13", Effective Hours Rating: 12,000hrs This UV replacement lamp by (LSE Lighting) is 100% compatible with Ideal Horizons ME4 Sterilizer. All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Wedeco Ideal Horizons brand lamps. All Wedeco Ideal Horizons brand names, trademarks and logos are property of Wedeco Ideal Horizons.