Philips Compact Fluorescent Lamps 55w are available in a cool blue spectrum or a warm red to suit the stage and type of plants you are growing.
The blue spectrum lamps are suitable for propagation and vegetative growth and the red spectrum lamps are suitable for flowering, or if you wish to you can combine both blue and red lamps together in your lighting unit and provide a broader spectrum of light to your young plants.
These Philips Compact Fluorescent Lamps 55w fit Maxibright propagation light units PL2 and PL4.