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The LED Authority

Philips 32 Watt, 48 Inch T8 Daylight White Long Life Fluorescent Bulb (Case of 25)

SKU: 382614 | Ordering Code: F32T8/TL865 PLUS/ALTO

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Product Highlights

  • Estimated life of 27.4 years based on 3 hours use per day

Lighting Facts Per Bulb

Brightness 2710 lumens
Estimated Yearly Energy Cost $3.85
Based on 3 hrs/day, 11¢/kWh
Cost depends on rates and use
Based on 3 hrs/day27.4 years
Light Appearance
6500 K
Energy Used32 watts

Philips longer lasting and energy saving Daylight T8 fluorescent lamp with excellent color rendering. ALTO technology uses less mercury for an environmentally safer lamp.

  • 6500K Daylight white color is substantially brighter in appearance

  • Better color rendering means objects appear closer to their true color than with traditional fluorescent

  • Extra long life rated 50% longer than other T8 fluorescent

  • Outstanding lumen maintenance - lamp still produces 95-98% as much light at end of life as the day it is installed

  • Performance - well known brand name product at competitive price

Full case (25) only, priced per bulb

Full Specs


Philips Lighting

Energy Used

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


The end (or ends) of the lamp that fits into the socket.
Medium 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

Bulb Color

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


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.

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)

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.
Brightness (Lumens)

Bulb Technology

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

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)

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)

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)

Contains Mercury (Hg)

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

Osram Sylvania

An Osram Sylvania brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
Osram Sylvania
21720 - FO32/865/XP/ECO
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Customer Reviews



They are excellent. Natural daylight lamps change the mood. It is nice on the eyes when all your work in front of you is illuminated and my persona changes from this dreary wintery a vibrant youthful optimistic springtime around the corner kinda yee-hah if you know what i mean. Its all from the lighting! Thanx

Dan the service manager



32 Watt, 48 Inch T8 Daylight White Long Life Fluorescent Bulb

4.0 1


Q & A
What is the foot candle spec for this particular bulb?


There is no spec or easy formula to determine foot-candles. There are many factors involved such as number of lamps, ceiling height, fixture type, lens type and light loss. Without this information it very difficult to determine foot candles. If more information is needed, please contact our customer service department at 888-455-2800.

Product Support

hi about this bulb i want to use this bulbs for my c-store i have been using sylvaina F32/850 pls let me know which one is brighter and better you think, thank you


The color of light emitted from this Daylight White bulb is similar to natural daylight (sunlight & blue sky around noon-time). It will appear brighter than a 5000K bulb because of the bluer tones but if the light output was measured with a light meter they would essentially be the same. In regards to which one is better, that is really a matter of personal preference. Some may think the 6500K bulb has a harsh light output. We suggest contacting one of our commercial sales reps at 888-455-2800 to determine the best color temperature for this application.

Product Support