21 Watt Light Bulbs & Lamps

21 watt light bulbs are commonly energy saving fluorescents or fluorescent tubes. 21 watt bulbs can safely be used in fixtures with a maximum of 21 watts or more. Maximum wattage information can typically be found printed inside the light fixture or lamp socket.

Showing all 9 results

A+

21watt GLS LED ES E27 Screw Cap Warm White Equivalent To 150wattt Dimmable

£9.54
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A+

21watt 863mm Colour 865 Daylight T5

£2.88
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A+

21watt 863mm Colour 830 Warm White T5

£2.88
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A

21watt 863mm Colour 840 Cool White T5

£2.70
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A+

21watt 863mm Colour 840 Cool White T5

£2.88
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B

21watt 4pin Colour 860 Daylight

£6.90
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A

21watt 4pin Colour 835 White

£6.90
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A

21watt 4pin Colour 827 Extra Warm White

£6.90
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A

21watt 904mm T5 Cabinet Fitting Colour White

£24.48
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