Sun System® HPS 150 Grow Light Fixture Size:Sun System HPS 150 Watt w/ Lamp They also allow excess air

They also allow excess air pressure from the pump to escape to decrease pressure on the diaphragm of your pump

This controller also features low temperature protection in the event that achieving the desired humidity level results in an undesirable temperature

Use of the filter bag will prolong the life and reduce cleaning/maintenance of the pump

Compatibility with wiring and electrical requirements for most indoor growing environments means this compact toplight is able to dramatically limit the cost and downtime required to convert facilities of every size

Builds the foundation of root and leaf mass needed for superior harvests

Sun System® HPS 150 Grow Light Fixture Size:Sun System HPS 150 Watt w/ Lamp They also allow excess airThis compact easy to use light fixture will work great for any gardener. The high intensity bulb delivers an amazing 16,000 lumens and provides the output and ideal color spectrum required for successful indoor gardening. Grow herbs, flowers or fresh vegetables all year, not just in summer. 150 watt high pressure sodium bulb (mogul base) included. Highly reflective aluminum insert. Vented housing helps dissipate heat. Durable white powder coated