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Part Number: 1440

Crompton Lamps CFL 2D 16W 4-Pin Dimmable Warm White Frosted

Part Number: 1440

Crompton Lamps CFL 2D 16W 4-Pin Dimmable Warm White Frosted

Cap Type: GR10q


Shape: 2D


Power Consumption: 16W


Colour of Light: Warm White

Warm White

Brightness: 1100lm


Dimmable: Yes


£2.89 inc. VAT

FREE UK Delivery on orders over £50 (Standard delivery, excludes orders of oversized items)

    • Glass Type: Frosted
    • Rated Life: 10,000 hours

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Crompton Lamps CFL 2D 16W 4-Pin Dimmable Warm White Frosted

  • Cap type: GR10q
  • Power Consumption: 16W
  • Colour Output: Warm White
  • Dimensions: Width=135mm Depth=33mm Length=135mm

Often referred to as 2D, DD double turn or butterfly light bulbs, these energy efficient compact fluorescent CFL light bulbs are commonly used with low profile decorative and tough exterior luminaires in both domestic and commercial applications.

The unique shape of these CFL 2D light bulbs provides even light distribution, while boasting an impressive a rated life of 10,000 hours and a typical lifespan of 5 years. This Crompton 16W 4 Pin Double D light bulb emits 1,100 lumens of warm white light and is perfect for use in offices, bathrooms and stairwells.

Suitable for dimming - separate ballast/control gear required.

Fitted with a GR10q 4-pin square push fit base.

Need more help in choosing a suitable light bulb? Read our guide Choosing Compact Fluorescent Lamps

Here at Lightbulbs Direct, we want you to be able to buy with confidence both in ourselves and the products we sell. With this in mind, a number of our bulbs carry a specific warranty that ensures you can do exactly that.

Any Energy Saving Compact Fluorescent light bulb bought from Lightbulbs Direct carries a 12-month warranty.

If you should purchase an energy saving compact fluorescent light bulb from Lightbulbs Direct and have it fail, break or develop a fault at any point within the timelines stated above from the date of purchase, we will happily replace the item or offer a full refund, depending on your wishes.

In instances where large numbers of bulbs fail within a relatively short period of time, we may ask you to return them to us so that they can undergo testing to identify any potential issues.

What doesn't our warranty cover?

In any instance where your bulb has developed a fault, we will do our utmost to replace it or offer a full refund (provided the item is still within its stated warranty period). However, if it becomes apparent that the product has been misused, tampered with or modified in any way, we will view this as having voided its warranty.

'Misuse" includes, but is not limited to, incorrect operation by the user, use of non-dimmable bulbs on a dimmable circuit or connection to or operation with an unsuitable power supply. 'Tampering' or 'modification' can be interpreted as any activity designed to alter the product in such a way that it can be used in a manner that wasn't intended by its original design. This can include rewiring, removing plugs, home repairs or changing components. Unfortunately, we won't be able to replace any item that has undergone any such process.

Manufacturers Warranty

This product is also covered by a manufacturer's warranty for a period of 2 years from date of purchase. Please visit the manufacturer's website for further details.

If you have any further questions about our Warranty or Returns Policy that aren't addressed on this page, please feel free to contact us.

Attribute Value
Barcode 5018986674233
Technology CFL
Cap GR10q
Shape 2D
Colour Warm White
Dimmable Yes
Manufacturer Crompton Lamps
Cap Type GR10q
Voltage 240V
Power Consumption 16W
Dimmability Yes - On Correct Gear Only
Total Lumens 1100lm
Colour Temperature 2700K
Colour Description Warm White
Colour Rendering RA >82
Flourescent Colour Code 827
Glass Type Frosted
Warm Up Time 10 seconds (0-60%)
Average Rated Life (L50) 10,000 hours
Switching Cycles 5,000
Energy Saver Yes
EEI Energy Rating A
Width 135mm
Depth 33mm
Length 135mm
Estimated Running Cost £4.20 per year (based on 5-hours per day)