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Osram 20W Warm White LED Frosted GLS Bulb - Screw Cap

Item code: 12123

4 Year Guarantee

The Osram 20W Warm White Dimmable LED Frosted GLS is the ideal light bulb for those trying to create a more sustainable lifestyle at home whilst maintaining a cosy atmosphere.

  • Part of Osram Parathom Advance classic range
  • 20W equivalent to 150W incandescent
  • Warm White (2700k) light colour
  • Average life expectancy 15,000 hours + 4 year guarantee
  • Screw cap fitting
  • Energy rating: A+
  • Size: L 143 x Dia 67mm

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In Stock

*Expected delivery date

Tuesday 25th September

Order by 8:00pm Today for delivery on Tuesday 25th September

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Item Code:


Osram 20W Warm White LED Frosted GLS Bulb - Screw Cap


If you are trying to make the move towards living a more sustainable lifestyle, then swapping out your conventional light bulbs for LEDs is a great start – and Osram’s range of LED light bulbs is ideal for use in your ceiling lights and floor lamps. The 20W warm white LED is a powerful bulb and a great choice for anyone looking to replace 150W bulbs in their light fittings. What’s more, its compact design and screw cap fitting makes them simple and easy to install. The frosted glass ensures there is no direct glare from the filament and with a 15,000 hour lifetime, these bulbs won’t need to be changed in a hurry.


Additional Information

Supplier Code 4052899959125
Brand Osram
Guarantee 4 Years
Length 143mm
Width/Dia 60mm
Type Light Bulb
Bulb Shape Standard GLS
Energy Rating A+
Dimmable Non-Dimmable
Cap Code ES/E27
Cap Screw (ES E27)
Watts 21W
Equivalent 150W
Lumens 2452
Average Hours 15,000
Colour Rendering 80
Light Colour Warm White
Colour (K) 2700
Bulb Finish Frosted
Bulb Type LED

Place your order online Monday to Saturday before 8pm, or before 2pm on Sunday and, subject to availability*, it will be picked, checked, packed and dispatched within minutes. Once your order is on its way, you’ll receive regular updates on its progress, together with tracking information allowing you to monitor where it is on its journey. Your order should arrive the very next working day across most of the UK mainland.

How much does delivery in the UK cost?

Next day delivery: £2.99 when you spend over £80.00
£5.99 when you spend under £79.99
Next day delivery – before 12pm: £8.99
Saturday or Sunday delivery:  £9.99
3-5 working days: £0.00 when your order includes a fitting
£0.00 when you spend over £80.00
£3.99 when you spend under £79.99

Can I get free delivery?

We offer free ‘standard’ UK delivery for any order that is over £80. This takes three to five working days for delivery.

How does it work for ‘Highlands and Islands’ or overseas deliveries?

  • UK Mainland (except selected postcodes): next working day*
  • Highlands, and Isle of Man: 2 working days* - £2.99
  • Scottish Islands: 2-5 working days* - £2.99
  • Channel Islands and Northern Ireland: 2 working days - £3.99
* Some products are not available for immediate dispatch. See product page for details. To read more about our delivery service, zones and special rates, visit our delivery page.
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