The Philips Son-T Agro lamp features a spectrum output that is specifically optimised for plant growth. A 30% increase in the spectrum's blue content (added Xenon) provides more leafy, vegetative development - larger harvests of higher quality plants. Philips Son-T Agro Lamp Features; Technical Specifications for the Philips SON-T Plus and 600w The outer tubular bulb is clear. Appropriate for the blossoming stage For a long and dependable lifetime, use a ceramic discharge tube with a Philips Integrated Antenna (PIA). Lamps that are completely lead-free This is a good environmental option because of its high energy efficiency and lack of lead (Pb). This is the most energy efficient HPS lamp due to its high luminous efficacy.
