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T10 LED Bulb, 84 LED Corn Light - 4 Watt - 340 Lumens

Part Number: E27-x4W-T
Select LED Color:
Natural 4100K
Warm 3000K
$0.88 ea. (per Bulb)
Volume price as low as $0.79
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  • Select options to see various notes.


E27-x4W-T series is a tubular LED replacement bulb for traditional medium screw base lamps. Light output is comparable to 40~45 Watt incandescent bulbs. Consumes just 7 Watts of power using 84 LEDs. Commonly called a corn light due to the large number of LEDs on this single bulb. Available in Natural White or Warm White with a 360° beam pattern.

Important Notes - Please read before purchasing:
  1. FOR USE WITH STANDARD ON/OFF SWITCHES ONLY. Do not use with any type of dimmer, relay or other control circuit.
  2. Non-Weatherproof, Indoor use only unless contained within weatherproof housing or used in conjunction with weatherproofing products
Warranties & Certifications
2 Years
Super Bright LEDs, Inc. offers a 2-year warranty to protect against manufacturer defects and malfunctions. If you experience failure of an LED or other component not caused by negligence, abuse, unauthorized repair or disassembly, we will replace the product within the warranty period. If the same product is no longer available, a product of equal value may be substituted. Read More


Swipe left to see additional specifications
Part NOLED ColorLED Wattage
Water Resistance
Intensity per LEDIntensityMilliwatt
CCT / Wavelength
Luminous Efficacy
Price Ea.Product WeightLumen Per Dollar
E27-WW4W-TWarm 3000K--323 mcd/led340 lm-3000 -$0.88-386.36 lumen/dollar
E27-NW4W-TNatural 4100K--369 mcd/led390 lm-4100 -(Discontinued)-32.83 lumen/dollar
E27-x4W-T - T10 LED Bulb, 84 LED - 4 Watt
T10 LED Bulb, 84 LED - 4 Watt



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Mark Kinsler
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Reasonable replacement for a piano lamp

It came and it worked, but in a piano lamp one has to be careful to keep the lamp shade rotated such that the LED's aren't in direct view. That's because this lamp is thicker (about 1.75") than the T-10 sausage-shaped incandescent it replaces. Aside from that, it's nice and bright, and my piano teacher seems to like it.

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bright but not too bright-just right

works great and fits in out fridge

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