Designed to operate in a vertical alignment this LED BLD lamp is the perfect replacement for fluorescent PLC lamps. Featuring a GX24q universal base it can be installed into any 2 or 4 pin fittings. The soothing very warm white light output makes it ideal for use in areas such as offices waiting areas living rooms and many others. Please note this lamp requires mains voltage existing ballasts will need to be bypassed or removed in order for this lamp to function.