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G.E. T5 High Efficiency Fluorescent Tubes - 21W

Item code: CT0001-0002A


These dimmable T5 High-Efficiency Fluorescent Tubes are part of the G.E. LongLast range, offering superb energy-efficiency and a lifespan of up to 36,000 hours in 12-hour cycles.

  • High efficiency
  • Great light quality
  • 25% energy saving (compared with T8)
  • Long life - up to 30,000 hours
  • 16mm (5/8") Diameter
See Full Description

*UK Delivery Only

£2.59 ex.VAT

G.E. T5 High Efficiency Fluorescent Tubes - 21WPriced singularly, sold in multiples of 5
Code Colour (K) Light Colour Lumens Unit Price ex.VAT Stock Qty Buy
1-29 30+
72954 3500 White 1895
£2.69 £2.56
In Stock
72955 4000 Cool White 2100
£2.59 £2.46
In Stock
10309 6500 Daylight 1770
£2.59 £2.46
In Stock

G.E. T5 High Efficiency Fluorescent Tubes - 21W


These T5 High-Efficiency Fluorescent Tubes from G.E. Lighting offer an incredible energy-efficient performance, and as part of the G.E. LongLast range they have impressive longevity. Their rated lifespan is 30,000 hours in 3-hour cycles, or up to 36,000 hours in 12-hour burning cycles. Guaranteed to slash maintenance costs, they are a particularly good choice for facilities where lighting is hard to reach and time-consuming to service.

Available in a choice of colour temperatures, these top-branded T5 tubes emit up to 2100 lumens of light, which means a mighty luminous efficacy of 100 lumens per watt. This type of energy-efficient performance is only paralleled by the very best LED products, and offers incredible value for money.

Quality of light is another strongpoint in these T5 High-Efficiency Fluorescent Tubes, with a CRI 85 score denoting high-grade colour rendering. Fluorescent lighting is inherently omnidirectional and diffuse in nature, so it is always a good choice for uniformity and good coverage. Choose this lamp as an economic solution for offices, schools, retail environments, and commercial or industrial use.


The dimensions of the G.E. T5 High Efficiency Fluorescent Tube are:

  • Length: 849mm
  • Width: 16mm


Additional Information

Brand GE
Length 849mm
Width/Dia 16mm
Bulb Shape Striplights & Tubes
Energy Rating A
Dimmable Dimmable
Cap Code G5
Cap G5
Watts 21W
Equivalent 21W
Voltage 240V
Average Hours 30,000
Colour Rendering 80
Bulb Type Fluorescent
Bulb Design T5 High Efficiency

Delivery Information

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 (excl. VAT)
£5.99 when you spend under £79.99 (ex VAT)
Next day delivery – before 12pm:£8.99
Saturday or Sunday delivery: £9.99
3-5 working day:£0.00 when you spend over £80.00 (excl. VAT)
£3.99 when you spend under £79.99 (ex VAT)

Can I get free delivery?

We offer free ‘standard’ UK delivery for any order that is over £80 (excl. VAT). 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 (excl. VAT)
  • Scottish Islands: 2-5 working days* - £2.99 (excl. VAT)
  • Channel Islands and Northern Ireland: 2 working days - £3.99 (excl. VAT)
* 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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