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4W ST21 Filament Bulbs/40Watts Edison ST21 Bulbs Specifications
| Lamp Type | Voltage(V) | Incandescent Equiv. (W) | Power (W) | Base Type | Lumens (LM) | Glass Finishing | CRI | CCT(K) | PF | Life(HRS) |
| ST21 | 120V | 40 | 4 | E26 | 450 | Clear | 80/90 | 2700/4000/5000/6500 | 0.7-0.9 | 25000 |
| 40 | 4 | E26 | 420 | Amber | 80/90 | 2200 | 0.7-0.9 | 25000 | ||
| 40 | 4 | E26 | 420 | White | 80/90 | 2700/4000/5000/6500 | 0.7-0.9 | 25000 | ||
| ST64 | 220V-240V | 40 | 4 | E27 | 450 | Clear | 80/90 | 2700/4000/5000/6500 | 0.7-0.9 | 25000 |
| 40 | 4 | E27 | 420 | Amber | 80/90 | 2200 | 0.7-0.9 | 25000 | ||
| 40 | 4 | E27 | 420 | White | 80/90 | 2700/4000/5000/6500 | 0.7-0.9 | 25000 |
4W ST21 Filament Bulbs Features
High Performance: ST21 LED filament bulb, giving off the lighting of 450 lumens, customized CCT from 2200K to 6500K.
Energy Saving: High efficiency of LED, save over 85% on your electricity bill instantly by replacing standard 40W incandescent bulb with 4W ST21 bulb. Easy Installation.
CERTIFICATE: UL/Title 20/Title 24/CE.
Customer Testimonials
What our customers are saying
Chad
Looks great in new light fixtures.
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