This MH Lamp 600W 240V, pulse-start lamp, has been engineered for use with Lumatek 600W 240V Controllable ballast and is produced using high-temperature resistant quartz arc tube technology and specific horticultural gas blend that creates optimal spectra

This MH Lamp 400W 240V, pulse-start lamp, has been engineered for use with Lumatek 400W 240V electronic ballast and is produced using high-temperature resistant quartz arc tube technology and specific horticultural gas blend that creates optimal spectral