Satco Lighting S2852 Grow Single 150 Watt Dimmable R30 Medium (E26) Incandescent Bulb - 580 Lumens and 2700K - LightingDirect.com
Chromalux Full Spectrum LED Light Bulb - 12W, R30, Soothing Warm White | BLICK Art Materials
Amazon.com: LED Bulb R30 or BR30, 12W (100W Equivalent), 1260 Lumens, Upgrade for 100W Bulb, 4000K Natural White Color, for Recessed Can Use, Wide Indoor Flood Lights, Dimmable, (Pack of 4) :