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Spare Bulb Classic - November 2018


Spare bulbs for Classic Lights made from November 2018 onwards.

  • Icon-calendar 20,000 hour bulb life Icon-flag UK-based company
  • Icon-eye Read in more comfort Icon-guarantee For Classic LED Lights
More than 10 available
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Classic LED Spare Bulb - Current

Spare Bulb For Current Classic LED Light

This bulb is suitable for Classic LED lights purchased AFTER 4th November 2018.

C3520A = single Classic LED bulb
C3520B = twin pack of Classic LED bulbs

Please check the underside of the base of your light for the replacement bulb code. This bulb is only suitable if the base of your light says C3520.


  • Bulb Type5W LED
  • Bulb Life20,000 hours
  • Lux at 50cm2,200lx
  • Lumens250
  • CRI85%
  • Colour Temperature3,500K
  • Spread of Light18″

0% Finance

A Serious Light is an investment in your eyes. We are pleased to have partnered with Klarna Retail Finance, allowing us to give you the option to spread the cost of your purchase over 6, 9 or 12 months with 0% finance.

Finance Periods

6 months

Spend at least £375

9 months

Spend at least £450

12 months

Spend at least £525

Deposits of between 10% and 50% are available.

When you are ready to make your purchase, simply add the light(s) to your basket, then complete your order. When you are given the option to select a payment method, choose 'apply for 0% finance'

Please note - Klarna only accept 0% finance applications from those between the ages of 18 and 81.


You are entering into a credit agreement with Klarna, therefore it is important that you read and understand the terms and conditions. Click here to view the terms and conditions.

To view the finance calculator, click the Klarna logo below.