Philips 317107 SON Agro High Pressure Sodium 430-Watt ED18 Light Bulb
Philips High-Intensity Discharge (HID) 430-Watt SON Agro High Pressure Sodium ED18 light bulb features a high lumen and growth light maintenance, which safeguards a constant crop quality and quantity over the life of the lamp. It contains a ceramic discharge tube for a long and reliable lifetime.