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(3 products)


15 € - 23 €


Lamp Cap (base)

Energy Efficiency Class

Kelvin (K)

4000 K - 4000 K

Lumen (lm)

3500 lm - 6500 lm

Luminous efficacy (lm/W)

81 - 88

Energy consumption (kWh/1000h)

40 - 80

Color rendering index (CRI)

83 - 83

Light colour code

840 - 840


Lifetime (h)

Last Product Reviews

The customer has rated the product but has not posted a review, or the review is pending moderation

By Gérard Gérard on 05/12/2016

Store Reviews ( 940 )

Overall rating:   (4,9/5)

  Review By alex pireau
alex pireau
Very good expérience: detailed follow-up nearly our by our of the package wich was received home within 24 h exactly ( with DHL express selected)
Verified Purchase 03/12/2016
Belgium , Wezembeek-oppem
  Review By Tom McReynolds
Tom McReynolds

Very good experience, but better if specs came with UVB bulb

Overall, my shopping experience was very good. I had no trouble ordering on the site, the bulbs came quickly, and were undamaged and worked when I received them.The only issue I have (which might not be Svetila's fault) is that the bulbs came with no documentation. For safety, I'd like to know the UV output of the bulbs, not just their pow ...
Verified Purchase 26/11/2016
United States , Los Altos Hills

Dulux L Constant 

Dulux L Constant

Compact fluorescent lamps DULUX L CONSTANT exhibit a constant high light flux over a large temperature range (from 5 °C to 70 °C). This advantage is achieved thanks to amalgam technology.


  • Excellent luminous flux at high and low ambient temperatures
  • Very economical
  • Good quality of light
  • Long service life
  • Improved maintenance

Areas of ap...

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Showing 1 - 3 of 3 items

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