Philips Son- T HPS Grow Lamp 600W

Philips Master Son-T-Plus 600w HPS are ideal for landscape and security lighting applications that require lower light levels.
Philips high-pressure sodium bulbs save a lot of energy and are easy to maintain.
They also have a long lamp life and maintain good brightness levels.
Benefits- Superior technology ensures a long and reliable lifetime, as well as high lumen maintenance and consistent ignition. This is a good environmental option because of its high energy efficiency and lack of lead (Pb).

This is the most energy efficient HPS lamp due to its high luminous effectiveness.