Philips GreenPower 400w/600w --------- Son T 250w/1000w ---------  HPS Bulbs - Dual Spectrium

Lamp size and output

250 watt - 33,000 Lumens

 400 watt - 55,000 Lumens

 600 watt - 90,000 Lumens

 1000 watt - 130,000 Lumens

E40 Screw in Fitting

Please keep the retail packaging in case you need to return it to us. Bulbs sent without the original packaging are not covered by warrant

These lights must be used with a ballast