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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

Casell M268-ALU-4H-CA - 12v 20w GU5.3 51mm 12Deg Alu 4000hrs Halogen/Display Casell - Casell Lighting
Casell M268-ALU-4H-CA - 12v 20w GU5.3...
£8.11
1631 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.
Casell GBD-CA - 12v 20w Ba15d 37mm 12° Halogen/Display Casell - Casell Lighting
Casell GBD-CA - 12v 20w Ba15d...
£20.22
972 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.
Casell Aluminium Reflector 12v 20w Ba15d 37mm 18 Degree Frosted - GBE/FR - 6434 FR - 635635602857 Halogen Bulbs Casell - Casell Lighting
Casell Aluminium Reflector 12v 20w Ba15d...
£14.10
814 in stock.
Casell M294-ALU-4H-CA - 12v 20w GU5.3 51mm 24° Alu 4000hrs Halogen/Display Casell - Casell Lighting
Casell M294-ALU-4H-CA - 12v 20w GU5.3...
£8.11
785 in stock.
Halogen Spot 20w 12v GU5.3 Casell Lighting 35mm MR11 10° Yellow Dichroic Reflector Light Bulb Halogen Bulbs Casell - Casell Lighting
Halogen Spot 20w 12v GU5.3 Casell...
£6.56
687 in stock.
G4 20W Bulb Halogen Capsule - 12v Halogen Bulbs Casell - Casell Lighting
G4 20W Bulb Halogen Capsule -...
£1.92
684 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 GU5.3 Casell Lighting 35mm MR11 10° Green Dichroic Reflector Light Bulb Halogen Bulbs Casell - Casell Lighting
Halogen Spot 20w 12v GU5.3 Casell...
£6.56
405 in stock.
G4 20W Halogen Capsule - 12V Halogen Bulbs Casell - Casell Lighting
G4 20W Halogen Capsule - 12V
£1.74
394 in stock.
Casell M76-CA - GY6.35 20W Halogen Capsule - Axial Filament - 12v Halogen Bulbs Casell - Casell Lighting
Casell M76-CA - GY6.35 20W Halogen...
£1.80
371 in stock.
Casell Aluminium Reflector (Pushes Heat Forward) 20w 12v GU5.3 Casell Lighting Coolfit MR16 38° Light Bulb Halogen Bulbs Casell - Casell Lighting
Casell Aluminium Reflector (Pushes Heat Forward)...
£4.14
299 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.
Casell GBF-CA - 12v 20w Ba15d 37mm 35° Frosted Halogen/Display Casell - Casell Lighting
Casell GBF-CA - 12v 20w Ba15d...
£14.10
68 in stock.
Casell GBE-CA - 12v 20w Ba15d 37mm 18Deg Halogen/Display Casell - Casell Lighting
Casell GBE-CA - 12v 20w Ba15d...
£14.10
34 in stock.
GU4 20W Halogen Spot - 10Deg - 12v Halogen Bulbs Casell - Casell Lighting
GU4 20W Halogen Spot - 10Deg...
£2.98
23 in stock.
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Casell M269-BB-CA - Halogen Reflekto 20w 12v GU5.3 Casell Black Back Wide Flood 36° Light Bulb Halogen Bulbs Casell - Casell Lighting
Casell M269-BB-CA - Halogen Reflekto 20w...
£9.48
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Casell M268-P-CA - 12v 20w GU5.3 51mm 11Deg Pink Halogen/Display Casell - Casell Lighting
Casell M268-P-CA - 12v 20w GU5.3...
£7.74
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Casell M251-B-CA - 12v 20w GU4 35mm 17Deg Closed Blue Halogen/Display Casell - Casell Lighting
Casell M251-B-CA - 12v 20w GU4...
£5.51
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Casell M251-A-CA - 12v 20w GU4 35mm 17Deg Closed Amber Halogen/Display Casell - Casell Lighting
Casell M251-A-CA - 12v 20w GU4...
£5.51
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GZ4 20W Halogen Spot - 20deg - 12v Halogen Bulbs Casell - Casell Lighting
GZ4 20W Halogen Spot - 20deg...
£10.74
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GZ4 20W Halogen Spot - 10deg - 12v Halogen Bulbs Casell - Casell Lighting
GZ4 20W Halogen Spot - 10deg...
£10.74
Sold Out
GU4 20W Halogen Spot - 17Deg - 12v Halogen Bulbs Casell - Casell Lighting
GU4 20W Halogen Spot - 17Deg...
£4.78
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Casell M86-PK-CA - 12v 20w G4 Axial Halogen/Display Casell - Casell Lighting
Casell M86-PK-CA - 12v 20w G4...
£18.48
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Casell M8251-B-CA - 12v 20w GZ4 10° 25mm MR8 Blue Halogen/Display Casell - Casell Lighting
Casell M8251-B-CA - 12v 20w GZ4...
£13.31
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Casell M294-PK-CA - 12v 20w GU5.3 50mm 24Deg Closed Halogen/Display Casell - Casell Lighting
Casell M294-PK-CA - 12v 20w GU5.3...
£21.60
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Casell M290-PK-CA - 12v 20w GU5.3 51mm 60Deg Closed Halogen/Display Casell - Casell Lighting
Casell M290-PK-CA - 12v 20w GU5.3...
£21.60
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Casell M269-SB-CA - Halogen Reflekto 20w 12v GU5.3 Casell Silver Back 36° Halogen Light Bulb Halogen Bulbs Casell - Casell Lighting
Casell M269-SB-CA - Halogen Reflekto 20w...
£7.27
Sold Out
Casell M269-PK-CA - 12v 20w GU5.3 51mm 36Deg Closed Halogen/Display Casell - Casell Lighting
Casell M269-PK-CA - 12v 20w GU5.3...
£21.60
Sold Out
Casell M269-CA - 12v 20w GU5.3 51mm 36Deg Closed Halogen/Display Casell - Casell Lighting
Casell M269-CA - 12v 20w GU5.3...
£2.34
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