LSE Lighting Compatible UV Bulb GPH287T5VH/4P for UVONAIR 3000 UVA-100 Brand: LSE Lighting Bulb Type: Ultraviolet Germicidal UV Lamp Base Type: 4pin Base (4pins on ONE END) - Length: Approx 11" This replacement UV Lamp by (LSE Lighting) brand is 100% compatible to use with UVONAIR 3000 UVA-100. All UV lamps listed are compatible brand (LSE Lighting) UV products. We do not sell UVONAIR/Ozone Environmental Technologies Ultraviolet brand lamps. All UVONAIR/Ozone Environmental Technologies Ultraviolet brand names, trademarks and logos are property of UVONAIR/Ozone Environmental Technologies respectfully.