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21 Watt, 34 Inch T5 Daylight White Fluorescent Bulb

SKU: B519213 | Ordering Code: F21T5/865

In Stock
Price per Bulb
1 to 19 $9.99 Each
20 to 39 $8.49 Each
40 + $6.99 Each
Bulbs per Case
40
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Product Details

Brand

Bulbrite

Energy Used

A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
 
Energy Used
21 Watts

Base

The end (or ends) of the lamp that fits into the socket.
 
Base
Miniature Bipin

Bulb Shape

The description of the general appearance of a lamp/bulb consists of a letter(s) followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. For example, a common household bulb is the A-19. The bulb is "A" shape and the diameter would be nineteen 8ths of an inch, or 2 3/8".
 
Bulb Shape
T-5

Bulb Color

The color of the light produced by a bulb
 
Bulb Color
Daylight White

CRI

Color Rendering Index is an international system used to rate a lamp's ability to render object colors. The higher the CRI (based upon a 0-100 scale) the richer and more accurately colors generally appear. CRI differences among lamps are not usually visible to the eye unless the difference is more than 3-5 points.
 
CRI
82

Color Temperature (Kelvin)

An expression of the hue of the light emitted, measured in degrees Kelvin. Usually expressed by a four digit number followed by (k), such as 2700k. Higher temperatures indicate whiter, "cooler" colors, while lower temperatures indicate yellower, "warmer" colors. Some common Kelvin temperature benchmarks are 2700k (warm white), 3500k (neutral white), 4100k (cool white), 5000k (bright white), and 6500k (daylight).
 
Color Temperature (Kelvin)
6500

Brightness (Lumens)

A rating of the inital light output of a bulb, rated after 100 hrs of operation. Lumens are a measure of how much light falls on one square foot of area, one foot away from the light source.
 
Brightness (Lumens)
1710

Bulb Finish

The surface finish of a bulb, which may affect the quality of the light emitted.
 
Bulb Finish
Opaque

Bulb Technology

The technology implemented by the bulb, e.g. incandescent, halogen, LED
 
Bulb Technology
Fluorescent

Average Rated Life (hr)

A measurement of the average length of time, between first use and the point when 50% of the lamps tested have stopped functioning, , using an operating cycle of 3 hours on, 20 minutes off.
 
Average Rated Life (hr)
15000

Length (in)

Also referred to as "Maximum Overall Length" (MOL). For light bulbs, it measures the length of a light bulb, from the top of the bulb to the bottom of the base or pins and is typically expressed in inches. For light fixtures and ballasts, it applies to the total horizontal length of the item.
 
Length (in)
34

Diameter (in)

Light bulbs: a measurement of a bulb's width taken at the widest point of the bulb. Fixtures: the measurement across the widest point of a circular fixture.
 
Diameter (in)
0.61

GE

A General Electric brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
 
GE
46689 - F21W/T5/865/ECO

Osram Sylvania

An Osram Sylvania brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
 
Osram Sylvania
No Available Direct Offset

Contains Mercury (Hg)

Contains some level of the element Mercury. Typically, bulbs containing Mercury display the symbol 'Hg'.
 
Contains Mercury (Hg)
Yes

Lighting Facts Per Bulb

Brightness 1710 lumens
Estimated Yearly Energy Cost $2.53
Based on 3 hrs/day, 11¢/kWh
Cost depends on rates and use
Life
Based on 3 hrs/day13.7 years
Light Appearance
WarmCool
6500 K
Energy Used21 watts
Description
 
Reviews
 
Q & A

Bulbrite brand energy saving T5 fluorescent lamp.  21 Watts and 34 inches to fit shorter commercial fixture lengths.

  • "Daylight" white color for a much brighter appearance

  • T5 technology last longer than traditional T12, with greater lumen maintenance over time.

REVIEW SNAPSHOT®

by PowerReviews
Bulbrite21 Watt, 34 Inch T5 Daylight White Fluorescent Bulb
 
5.0

(based on 2 reviews)

Reviewed by 2 customers

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5.0

Just what I needed

By Materials Manager

From Houston, TX

Verified Buyer

Pros

    Cons

      Best Uses

        Comments about Bulbrite 21 Watt, 34 Inch T5 Daylight White Fluorescent Bulb:

        We needed a bulb for equipment ordered from Korea and thought were unable to find it locally. Bulbs.com had it in stock.

        • Primary use:
        • Business
         
        5.0

        Perfect and Great

        By Bong

        From Menlo Park, CA

        About Me Value Oriented

        Verified Buyer

        Pros

        • Good And Bright Light

        Cons

          Best Uses

          • Small Lamps

          Comments about Bulbrite 21 Watt, 34 Inch T5 Daylight White Fluorescent Bulb:

          Its bright and cool. However, it is good only as a desk lamp.

          • Primary use:
          • Personal

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