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40 watt - 12" - T5 - 4-Pin (2GX13) Base - 3,500K - 800 Series - Circline
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In Stock - Ships Fast!
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We currently do not have any stock of this item. It can take up to 10 business days for all items to arrive from the manufacturer. All back orders are watched carefully and customers are regularly updated as to the status of their order.
Ceiling fixture, commercial/industrial, energy saving
Utilizes tri-phosphor for better CRI
Lumens (light output)
This refers to the literal measure of the light-output of a particular light bulb, measured in the number of lumens.
Watts (Energy Used)
"Watts" is the term applied to the amount of energy required and used by a particular light bulb. It is an international system unit of power equal to one joule per second. Contrary to popular belief, the wattage of a bulb does not directly measure the brightness; the "lumens" of a light is what defines the actual light output.
This refers to an average lifetime rating based on large quantities in test groups. This testing takes into account usage of 3 hours per start for fluorescent lamps and 10 hours per start for HID lamps.
Voltage is a measure of electrical potential.
The "Bulb Type" is typically a combination of the style of bulb as well as the width of the bulb. Usually, the first couple letters will indicate the type; "G" would indicate "Globe", "PAR" would indicate "Parabolic Reflector"... The numbers indicate the diameter of the light bulb in eighths of an inch; a "G40" would be a "Globe" style that is "5 inches" in diameter.
The "Base" of a light bulb is the part that either screws or snaps into a receptacle. Base Type terminology may indicate common descriptive words like "Medium" or "Candelabra", or may even contain numeric codes that signify size and variety, like "E26" or "2GX13".
The filament is the style of fine wire that is heated electrically inside of an incandescent light bulb.
Correlated Color Temperature (CCT) is a specification of the color appearance of a light bulb, relating its color to that of a reference source heated to a particular temperature, measured in degrees Kelvin (K). It generally measures the "warmth" or "coolness" of light source appearance.
CRI (Color Rendering Index)
CRI refers to the "Color Rendering Index" of a light bulb. CRI measures a light source and grades its ability to render the color of objects "correctly," as compared with a reference source with comparable color temperature. 100 is perfect rendering.
This is sometimes referred to as MOL, or "Maximum Overall Length". It measures the absolute length of a light bulb, from the top of the bulb to the bottom of the base and is typically expressed in inches.
Width refers to the complete diameter of the widest point of the light bulb.
The beam angle refers to the width of the light beam coming from a reflector light bulb. The higher the number, the wider the beam spread.
# of Lamps
This refers to the number of Fluorescent or HID light bulbs that this particular ballast can light.
Bulb Type Used in Ballast
This refers to the style of light bulb that this particular ballast can light.
Wherever you see this badge, you can be assured that the review has come from a customer who has purchased from eLightBulbs, ensuring the authenticity of the review.
9/17/13 (Los Altos, CA)
The products were exactly what I ordered and the price was reasonable.
7/30/13 (Winston, GA)
These bulbs were exactly the product I needed to replace blown bulbs. I was not able to locate the replacement in area stores. Thanks!
5/16/13 (Miami Springs, FL)
Bulb is working great. Good price and fast service. Thanks
2/19/13 (Redondo each, CA)
This was exactly what we needed to replace the other light.
11/04/12 (Calgary, AB)
I am happy with the service and the product.
6/04/12 (Chicago, IL)
It's a great product and it was the item I was exactly looking for
4/04/12 (Edgewater, MD)
After not being able to find bulb in a Box Store, It was easy to use your site to find the exact bulb I needed. Very happy with quality and ease of ordering online. Thank you.
3/27/12 (Lindenwold, NJ)
The order process was fast and easy. The delivery was fast, In fact I'm going to order a few more bulbs...
1/07/12 (Worthington, OH)
Very happy with this replacement bulb for our main kitchen ceiling fixture. Reasonably priced, good product and light quality. Easily located on eLightBulbs site after fruitlessly searching local brick and mortar stores.
10/25/11 (Plainfield, NJ)
My Bulbrite circular light if working perfect. I am 100% satified with the performance. I'm glad I decided to order it from eLightBulbs' website.
7/12/11 (Lisle, IL)
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