The Closest Match to Natural Sunshine;Better Vision & Color Match;Great for SAD, PMS, PTSD;Long Life (10,000 hours);For standard 3-way Lamps (equivalent to 75/100/150 watt incandescent)

• Indoor Sunshine: Single 3-way (20/23/30 watt) Spiral Bulb

Indoor Sunshine: Single 3-way (20/23/30 watt) Spiral BulbSunlight Sciences