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The Business Lighting Experts

Philips 21W 34in T5 Neutral White Fluorescent Tube (Case of 40)

SKU: 230821 | Ordering Code: F21T5/835/ALTO  | UPC: 046677230821

$315.60($7.89 per Bulb)
Case of 40
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Options

Brightness (Lumens)
2100 3500

Product Highlights

  • Estimated life of 22.8 years based on 3 hours use per day
Description

Lighting Facts Per Bulb

Brightness 2100 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/day22.8 years
Light Appearance
WarmCool
3500 K
Energy Used21 watts

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

  • Neutral white color is popular with many businesses

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

  • Performance - brand name product at a competitive price

 

Case of 40 only 

Full Specs

Brand

Philips Lighting

Product Line

Alto

Model Number

F21T5/835/ALTO
Energy Used
A rating, expressed in watts, to indicate the rate at which a lamp consumes energy. Also known as wattage value.
21 Watts
Base
The end (or ends) of the lamp that fits into the socket.
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".
T-5
Bulb Color
The color of the light produced by a bulb
Neutral 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.
85
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).
3500
Brightness (Lumens)
A rating of the initial 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.
2100
Bulb Finish
The surface finish of a bulb, which may affect the quality of the light emitted.
Opaque
Bulb Technology
The technology implemented by the bulb, e.g. incandescent, halogen, LED
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.
25000
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.
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.
0.625
Contains Mercury (Hg)
Contains some level of the element Mercury. Typically, bulbs containing Mercury display the symbol 'Hg'.
Yes
GE
A General Electric brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
39977 - F21W/T5/835
Osram Sylvania
An Osram Sylvania brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
20821 - FP21/835
Not For Sale In
This bulb falls within State-defined sales restrictions for the listed States.
WA