Philips SON-T Agro HPS Bulb 

Philips SonAgro 430 watt lamp features a 30% increase output in the blue region of the spectrum plus 6% more light output than a standard high pressure sodium lamp. 

The higher blue spectrum of the Philips SonAgro bulb ensures a plant's natural shape and prevents unnatural elongation of the stems.

Ideal for greenhouses, the SonAgro offers a UV filtered design and has a clear heat resisting glass bulb with mogul base. It's universal design gives freedom of placement.

The Son Agro 430W operates on 400 or 430 watt high pressure sodium ballasts.

Details:

16,000 hours of use
2100 degrees Kelvin
53,000 lumens
Dimensions: 9.75" long x 2.25" diameter