| 400w MH- 600w HPS. 2 digital ballast. Dual hood | $350.00 |
| 2 400w HPS high pressure sodium grow security bulb | $15.50 |
| NEW 400W HPS / MH Convertible Switchable Ballast Hydro | $142.50 |
| High Pressure Sodium 400 watt HPS Grow Light w 400w | $114.89 |
| HPS & Metal Halide 400 watt HPS Grow Light w 400w MH | $164.89 |
| Eye Hortilux 360 watt HPS Conversion Bulb 400w MH lamp | $89.95 |
| Lumatek 400W 120V HPS/MH Electronic Ballast LK4120 | $137.50 |
| 90W LED GROW LIGHT UFO = 400W HPS HIGH POWER | $198.95 |
| 400w HPS Grow Light | $133.50 |
| 90W LED GROW LIGHT UFO = 400W HPS HIGH POWER | $201.45 |
| BN 400W 400 W HPS HIGH PRESSURE SODIUM GROW LIGHT LAMP | $11.79 |
| High Pressure Sodium 400 watt HPS Grow Light w 400w | $114.89 |
| ADVANCE 400W HIGH PRESSURE SODIUM BALLAST KIT S51 HPS | $25.00 |
| ADVANCE 400W HIGH PRESSURE SODIUM BALLAST KIT S51 HPS | $26.00 |
| THERMOMETER HYGROMETER for 400 watt HPS Grow Light 400w | $9.50 |