See the difference a Solarspot D25 system makes
See how bright a Solarspot D25 tubular daylight system is installed on a landing with no natural daylight http://youtu.be/7pvFPPaMB9U
See how bright a Solarspot D25 tubular daylight system is installed on a landing with no natural daylight http://youtu.be/7pvFPPaMB9U