LSE Lighting 70-18420 UV for Delta EA-3H/4H-20/E20/EA-26 Brand: LSE Lighting - Cross Reference Model # for compatibility purposes: 70-18420 Wattage: 95W (HO - High Output Lamp) - Bulb Type: Ultraviolet Germicidal UV Lamp Base Type: T5 4pin Base (4pins on ONE END) - Length: approx 33" Cross Reference Model # for compatibility purposes: 70-18420 This replacement lamp by (LSE Lighting) brand is 100% compatible to use with Delta Ultraviolet Sterilizer Models EA-3H/4H-20/E20/EA-26.