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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

G4 20W Halogen Capsule - 12V Halogen Bulbs Casell - Casell Lighting
G4 20W Halogen Capsule - 12V
£1.74
2197 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
1394 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
1347 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
915 in stock.
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...
£5.74
738 in stock.
Casell M269-CA - 12v 20w GU5.3 51mm 36Deg Closed Halogen/Display Casell - Casell Lighting
Casell M269-CA - 12v 20w GU5.3...
£2.34
562 in stock.
Casell GBF-CA - 12v 20w Ba15d 37mm 35° Frosted Halogen/Display Casell - Casell Lighting
Casell GBF-CA - 12v 20w Ba15d...
£14.10
502 in stock.
Casell GBE-CA - 12v 20w Ba15d 37mm 18Deg Halogen/Display Casell - Casell Lighting
Casell GBE-CA - 12v 20w Ba15d...
£14.10
402 in stock.
Casell M86-PK-CA - 12v 20w G4 Axial Halogen/Display Casell - Casell Lighting
Casell M86-PK-CA - 12v 20w G4...
£18.48
350 in stock.
Casell TUB20ESLDEC-CA - 240v 20w E27 T38X110mm Decorative General Lighting Casell - Casell Lighting
Casell TUB20ESLDEC-CA - 240v 20w E27...
£7.80
244 in stock.
G4 20W Bulb Halogen Capsule - 12v Halogen Bulbs Casell - Casell Lighting
G4 20W Bulb Halogen Capsule -...
£1.92
204 in stock.
Casell GBD-CA - 12v 20w Ba15d 37mm 12° Halogen/Display Casell - Casell Lighting
Casell GBD-CA - 12v 20w Ba15d...
£20.22
129 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...
£5.74
68 in stock.
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
25 in stock.
Casell F20T12-CWTLX-CA - 20w T12 600mm 2 Foot FA6 TLX Tube Fluorescent/Strip Casell - Casell Lighting
Casell F20T12-CWTLX-CA - 20w T12 600mm...
£20.88
19 in stock.
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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
F20T12-84IRS-CA - Casell 20w T12 Coolwhite/33 Metal Strip Rapid Start 600mm Fluorescent Tube - 4000 Kelvin - TLM-RS
F20T12-84IRS-CA - Casell 20w T12 Coolwhite/33...
From £12.29
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Casell PLCT20ES-821-CA - 110v 20w E27 Col:82 Electronic Triple Energy Saver Casell - Casell Lighting
Casell PLCT20ES-821-CA - 110v 20w E27...
£25.06
Sold Out
Casell PLCG20BC-828-CA - 240v 20w Ba22d Col:82 G110X170mm Energy Saver Casell - Casell Lighting
Casell PLCG20BC-828-CA - 240v 20w Ba22d...
£8.08
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Casell P1620FL-R-CA - 240v 20w GU10 51mm 36Deg Red Halogen/Display Casell - Casell Lighting
Casell P1620FL-R-CA - 240v 20w GU10...
£10.80
Sold Out
Casell P1620FL-B-CA - 240v 20w GU10 51mm 36Deg Blue Halogen/Display Casell - Casell Lighting
Casell P1620FL-B-CA - 240v 20w GU10...
£10.36
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Casell M88-PK-CA - 24v 20w G4 Halogen/Display Casell - Casell Lighting
Casell M88-PK-CA - 24v 20w G4
£46.80
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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
Sold Out
Casell 85-300v 20w E27 LED 6500k Corn Lamps 2048LM - SNC-CL-20WA2 LED Light Bulbs Casell - Casell Lighting
Casell 85-300v 20w E27 LED 6500k...
£33.90
Sold Out
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
Sold Out
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-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
Sold Out
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
Sold Out
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
Casell 85-300v 20w E27 LED 3000k Corn Lamps 1850LM - SNC-CL-20WA2 LED Light Bulbs Casell - Casell Lighting
Casell 85-300v 20w E27 LED 3000k...
£33.90
Sold Out
Casell 20w T12 600mm 2foot BL368nm Flykiller Blacklight/Flykiller Casell - Casell Lighting
Casell 20w T12 600mm 2foot BL368nm...
£9.32
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