-DigiMax 1000w HPS Double Ended Grow Lamp Bulb LightSpecifically designed for high frequency electronic ballasts. It has a connection at each side of the lamp, removing the need for frame wire inside the lamp. The absence of frame wire eliminates any shadows in the beam. For horizontal burning only. The jacket of this double ended lamp is made from quartz glass. Do not handle with bare hands. Oil from your hands can damage the lamp.

Features:
Engineered to be dimmable on Galaxy Select-a-Watt Ballasts.
Specifically designed lamp for use with VHF electronic/digital ballasts.
Next generation lamp construction for superior lumen maintenance during the lamp life cycle.
Ceramic insulation plate for better insulation and performance.
Robust stainless steel armature, versus nickel plated steel. Far stronger and longer lasting.
1000 watt DE HPS lamp is designed to be burned only in the horizontal operating position.
Packaged in a cool keepsake tin box.