LSE Lighting UV Lamp R830L for use with UVD400 UVD400/S UVD400E 400128 Brand: LSE Lighting Length: Approx 20" - Life Hours 12,000hrs Base: 4pin (4pins on ONE END) This UV replacement bulb by (LSE Lighting brand) is fully compatible for use with Rainfresh Sterilizers models UVD400, UVD400/S, UVD400E. All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Rainfresh brand lamps. All Rainfresh brand names, trademarks and logos are property of Rainfresh.