LSE Lighting compatible UV Bulb 8W UVV5CL for use with GUV25403A Air Purifier Brand: LSE Lighting Length: 5" Base Type: 4pin (with retaining ring for mounting) This UV replacement lamp by (LSE Lighting Brand) is fully compatible for use with GeneralAire Plasma UV Air Purifier GUV25403A GUV25403. All UV lamps listed are compatible brand (LSE Lighting) UV products. We do not sell GeneralAire brand UV lamps. All GeneralAire brand names, trademarks and logos are property of GeneralAire.