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15 Watt, 18 Inch T8 Daylight White Fluorescent Bulb

SKU: 378232 | Ordering Code: F15T8/D ALTO (DISC. USE 407205)

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Product Details

Brand

Philips

Energy Used

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

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-8

Base

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

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)
1

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)
18

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)
7,500

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)
660

Finish

Light bulbs: the coating applied to the bulb causing light to be emitted in certain colors or color temperatures (see Color Temperature). Popular finishes include clear, frosted, colors (amber, blue, green, red, etc.) as well as color temperature designations ranging from warm white (2700K) to natural daylight (6500K). Fixtures: the decorative finish of the item.
 
Finish
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
79

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)
6500K

GE

A General Electric brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
 
GE
10134 - F15T8/D

Osram Sylvania

An Osram Sylvania brand-specific product number for an equivalent item and is provided for the purpose of cross-referencing.
 
Osram Sylvania
21600 - F15T8/D

Bulb Technology

The technology implemented by the bulb, e.g. incandescent, halogen, LED
 
Bulb Technology
Fluorescent
Description
 
Reviews
 
Q & A
Philips 15W, Medium Bipin, T-8 PREHEAT (Starter Required) Fluorescent Lamp with ALTO Low Mercury Technology, 6500K Daylight White Color, and Medium Bipin Base. (diameter 1", length 18"), Sold Individually.

REVIEW SNAPSHOT®

by PowerReviews
Philips Lighting Company15 Watt, 18 Inch T8 Daylight White Fluorescent Bulb
 
5.0

(based on 4 reviews)

100%

of respondents would recommend this to a friend.

Pros

  • Long life (4)
  • Bright (3)

Cons

    Best Uses

        • Reviewer Profile:
        • Quality oriented (4), Budget shopper (3)
        • Primary use:
        • Personal (3)

      Reviewed by 4 customers

      Sort by

      Displaying reviews 1-4

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      5.0

      Difficult product to locate; found here

      By Strictly Business

      From Oklahoma City

      About Me Quality Oriented, Value Oriented

      Verified Buyer

      Pros

      • Bright
      • Long Life
      • Reduces Energy Costs
      • Runs Cool

      Cons

        Best Uses

        • Small Lamps

        Comments about Philips Lighting Company 15 Watt, 18 Inch T8 Daylight White Fluorescent Bulb:

        An old fixture is sometimes difficult to re-lamp. I found the bulbs @ Bulbs.com. [...] Very pleased with the [...] outcome of this purchase.

        • Primary use:
        • Business
         
        5.0

        Great product and price

        By fisherman

        From Conroe, Texas

        About Me Quality Oriented, Value Oriented

        See all my reviews

        Verified Buyer

        Pros

        • Bright
        • Long Life

        Cons

          Best Uses

            Comments about Philips Lighting Company 15 Watt, 18 Inch T8 Daylight White Fluorescent Bulb:

            In overhead lights in motorhome.

            • Primary use:
            • Personal
             
            5.0

            Love the bright white light

            By fisherman

            From Conroe, Texas

            About Me Quality Oriented, Value Oriented

            See all my reviews

            Verified Buyer

            Pros

            • Bright
            • Long Life
            • White color

            Cons

              Best Uses

              • Motorhome

              Comments about Philips Lighting Company 15 Watt, 18 Inch T8 Daylight White Fluorescent Bulb:

              Use in our motorhome and love the bright white light these bulbs give off.

              • Primary use:
              • Personal
               
              5.0

              Glad to find

              By Julian

              From Boulder City, NV

              About Me Quality Oriented

              Verified Buyer

              Pros

              • Long Life

              Cons

                Best Uses

                • Small Lamps

                Comments about Philips Lighting Company 15 Watt, 18 Inch T8 Daylight White Fluorescent Bulb:

                A really great older lamp. I've used ii well for years, but these replacement bulbs are hard to find.

                • Primary use:
                • Personal

                Displaying reviews 1-4

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