LSE Lighting 46365401 UV Bulb Ultraviolet for Field Controls 12 inch system Brand: LSE Lighting Base: 4pin - with retaining ring on the base for mounting Length: 12" - Ultraviolet UVC This lamp by (LSE Lighting brand) is fully compatible replacement for use with Field Controls 46365401. All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Field Control & UV-Aire brand lamps. All Field Control & UV-Aire brand names, trademarks and logos are property of Field Control & UV-Aire.