Lumatek Electronic Dimmable Ballast
Lumatek Dimmable Multi-Wattage Ballast 600W the new Lumatek Electronic Ballast! Upgraded with a new dimmer switch, this multi-wattage version of the Ballast allows you to deliver super lumens to your plants or reduce the wattage setting. This promotes plant establishment and helps with temperature control, as well as improving energy efficiency! Improves energy efficiency while hardening off. Reduce the light and heat output from your lamp. Four settings 360W, 400W, 600W and Super Lumens. Use either a 600W or 400W lamp.