JavaScript seems to be disabled in your browser.
You must have JavaScript enabled in your browser to utilize the functionality of this website.

888-815-9763 Grower To Grower Support Contact Us

888-815-9763
Email Us
Connect with us! We know grow.
Phone Sales & Support
Mon - Fri, 8am - 5pm PST.

Home /
Grow Lights /
Grow Light Ballasts /
HPS (High Pressure Sodium) & MH (Metal Halide) Grow Light Ballasts /
HPS & MH Grow Light Ballast Wattages /
400 Watt MH & HPS Grow Light Ballasts

400 Watt MH & HPS Grow Light Ballasts

Quantum 400 Watt Dimmable Digital Ballast, 120/240 Volt
SKU #: QT400
$105.79
- Save for Later
Hydrofarm Powerhouse 400 Watt Magnetic MH Ballast, 120/240 Volt
SKU #: PH57301
$150.53
- Save for Later
Sun System Harvest Pro 400 Watt Switchable Magnetic Ballast, 120/208/240/277 Volt
SKU #: HGC902444
$82.04
Out of stock
- Save for Later
Phantom 400/250 Watt Dial-A-Watt Digital Ballast, 120/240 Volt
SKU #: PHB2040
$135.19
Out of stock
- Save for Later
Xtrasun Variable Watt 400 Watt Digital Ballast, 120/240 Volt
SKU #: XTEDW400
$144.40
Out of stock
Item ships free!
- Save for Later
Hydrofarm Powerhouse 400 Watt Magnetic Convertible HPS/MH Ballast, 120/240 Volt
SKU #: PH57372
$215.04
Out of stock
- Save for Later
Hydrofarm SG 400 Watt Convertible Magnetic Ballast, 120/240 Volt
SKU #: SGO400C
$97.27
Out of stock
- Save for Later
Hydrofarm Powerhouse 400 Watt Magnetic HPS Ballast, 120/240 Volt
SKU #: PH57363
$159.85
Out of stock
- Save for Later

Download Our App

Faster checkout, tracking notifications & more!

© 2011-2019 Hydrobuilder.com - 312 Otterson Dr STE D, Chico, CA 95928 USA

All trademarks and trade names are the property of their respective trademark holders.