Lightspeed's 600w 2000k HPS is a high output, full spectrum high pressure sodium lamp that is ideal for plant growth, especially for growing fruits, vegetables, flowers and herbs.

Lightspeed's 400w 2000k HPS is a high output, full spectrum high pressure sodium lamp that is ideal for plant growth, especially for growing fruits, vegetables, flowers and herbs.

Hortilux Super HPS produce noticeably bigger, fuller flowers and overall heavier yields.