Philips 135-Watt T21 SOX Low Pressure Sodium HID Light Bulb provide high energy efficiency for indoor and outdoor applications. It is ideal for use in industrial and retail high and low bays and parking lots. It can last up to 18,000 hours, reducing the hassle of replacing bulbs often.
- Brightness: 22600 Lumens
- Rated average life: 18,000 hours
- Light appearance: 1800K
- Energy used: 135-Watt
- Lumens per Watt: 167.4
- High energy efficiency low pressure sodium lamps for indoor and outdoor applications
- T-21 bulb shape, DC bayonet base