Casell Lighting offers a wide range of 20w light bulbs. ES, SES, Fluorescent, Halogen, Low energy 20w light bulbs. Different sizes, lumens and styles available. If you need help finding a product, please feel free to get in touch with us.

20w

G4 20W Halogen Capsule - 24V Halogen Bulbs Casell  - Casell Lighting
G4 20W Halogen Capsule - 24V
£5.40
2274 in stock.
Halogen Spot 20w 12v GU5.3 Casell Lighting 50mm MR16 12° Dichroic Reflector Glass Front Light Bulb Halogen Bulbs Casell  - Casell Lighting
Halogen Spot 20w 12v GU5.3 Casell...
£2.34
1141 in stock.
Halogen Spot 20w 12v GU4 Casell Lighting 35mm MR11 30° Dichroic Glass Fronted Reflector Light Bulb Halogen Bulbs Casell  - Casell Lighting
Halogen Spot 20w 12v GU4 Casell...
£2.98
1136 in stock.
GU5.3 20W Halogen Spot - 24deg - 12v Halogen Bulbs Casell  - Casell Lighting
GU5.3 20W Halogen Spot - 24deg...
£2.34
906 in stock.
GU4 20W Halogen Spot - 10Deg - 24v Halogen Bulbs Casell  - Casell Lighting
GU4 20W Halogen Spot - 10Deg...
£5.41
688 in stock.
GU4 20W Spot bulb - 12v - Blue Halogen Bulbs Casell  - Casell Lighting
GU4 20W Spot bulb - 12v...
£6.56
583 in stock.
Halogen Spot 20w 12v GU4 Casell Lighting 35mm 10° Amber Light Bulb Halogen Bulbs Casell  - Casell Lighting
Halogen Spot 20w 12v GU4 Casell...
£6.56
210 in stock.
Halogen Spot 20w 12v GU5.3 Casell Lighting 35mm MR11 10° Red Dichroic Reflector Light Bulb Halogen Bulbs Casell  - Casell Lighting
Halogen Spot 20w 12v GU4 Casell...
£6.56
186 in stock.
GU4 20W Halogen Spot - 10Deg - 12v Halogen Bulbs Casell  - Casell Lighting
GU4 20W Halogen Spot - 10Deg...
£2.98
23 in stock.
GU10 20W Lamp - 51mm 25Deg Aluminium Halogen Bulbs Casell  - Casell Lighting
GU10 20W Lamp - 51mm 25Deg...
£2.99
2 in stock.
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PLEC 20W Fly Killer ES / E27 Bulb - 240v Blacklight/Flykiller Casell  - Casell Lighting
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Pack of 10 - Halogen Spot 20w 12v GZ4 Casell Lighting Clear 25mm MR8 10° Glass Fronted Dichoric Bulb Halogen Bulbs Casell  - Casell Lighting
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Pack of 10 - Halogen Spot 20w 12v GZ4 Casell Lighting 25mm MR8 20° Glass Fronted Dichoric Reflector Halogen Bulbs Casell  - Casell Lighting
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Pack of 10 - Halogen Spot 20w 12v GU4 Casell Lighting 35mm MR11 30° Dichroic Glass Fronted Reflector Halogen Bulbs Casell  - Casell Lighting
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Pack of 10 - Halogen Spot 20w 12v GU4 Casell Lighting 35mm MR11 17° Dichroic Glass Fronted LightBulB Halogen Bulbs Casell  - Casell Lighting
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Pack of 10 - Halogen Spot 20w 12v GU4 Casell Lighting 35mm MR11 10° Dichroic Glass Fronted LightBulB Halogen Bulbs Casell  - Casell Lighting