https://www.htgsupply.com/viewproduct.asp?productID=47929
400W remote HPS ballast
6" CoolTube reflector with socket
400 Watt GrowBright HPS Lamp
- 55,000 lumens
- UNIVERSAL POSITION - operates in any position
- Designed Specifically for Plant Growth
- Brighter than Standard HPS Lamps
- Increased Violet and Blue Lighting Spectrum Engineered to Enhance Natural Plant Growth
- Creates a More Correct Ballance of Red and Blue/Violet Energy for Increased Photosynthesis
- For Use with S51 Type Ballasts
- Mogul Based Lamp
$199.95
+$31.89 shipping
----------------
$231.84
400W remote HPS ballast
6" CoolTube reflector with socket
400 Watt GrowBright HPS Lamp
- 55,000 lumens
- UNIVERSAL POSITION - operates in any position
- Designed Specifically for Plant Growth
- Brighter than Standard HPS Lamps
- Increased Violet and Blue Lighting Spectrum Engineered to Enhance Natural Plant Growth
- Creates a More Correct Ballance of Red and Blue/Violet Energy for Increased Photosynthesis
- For Use with S51 Type Ballasts
- Mogul Based Lamp
$199.95
+$31.89 shipping
----------------
$231.84