
- Satco S7334 40 Watt (150 Watt) 2600 Lumens Hi-Pro Spiral CFL Soft White 2700K Medium Base 120 Volt Light Bulb, Energy Star
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Amazon
From $11.91 (New)

From $11.91 (New)

| Latest | $11.91 Apr 2, '16 |
| Highest | $12.39 Apr 26, '15 |
| Lowest | $10.26 Feb 15, '16 |
| Average | $12.15 (30d avg) $12.06 (90d avg) $12.18 (180d avg) $12.28 (365d avg) $12.30 (Lifetime average) |
| Added | Dec 14, 2014 |
| Latest | $7.95 Apr 2, '16 |
| Highest | $9.99 Jul 31, '15 |
| Lowest | $7.95 Feb 9, '16 |
| Average | $7.95 (30d avg) $8.77 (90d avg) $9.36 (180d avg) $9.66 (365d avg) $9.73 (Lifetime average) |
| Added | Dec 14, 2014 |
30 day average: 231,974
90 day average: 200,719
Fluorescent lamps are phosphorous-coated tubes filled with a low-pressure mercury vapor. Light is produced by passing an electric arc between tungsten cathodes at opposite ends of the tube. This causes the mercury vapor to generate a radiant energy.