Philips Cermalux HPS LU400
HID Ceramalux 400W Light Bulb
Philips ceramalux 400-watt E39 clear bulb. High pressure sodium lamp that provides long life and high lumen output, passes the EPA’s TCLP test for non-hazardous waste. Long life up to 24,000 hours. High efficacy up to 140 Lumens per watt. Ideal for roadways, warehouses, security lighting, industrial applications.