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 GBD-CA - 12v 20w Ba15d 37mm 12° Halogen/Display Casell  - Casell Lighting
Casell GBD-CA - 12v 20w Ba15d...
£20.22
962 in stock.
G4 20W Bulb Halogen Capsule - 12v Halogen Bulbs Casell  - Casell Lighting
G4 20W Bulb Halogen Capsule -...
£1.92
667 in stock.
GU5.3 20W Halogen Spot - 24deg - 12v Halogen Bulbs Casell  - Casell Lighting
GU5.3 20W Halogen Spot - 24deg...
£2.34
630 in stock.
GU4 20W Spot bulb - 12v - Blue Halogen Bulbs Casell  - Casell Lighting
GU4 20W Spot bulb - 12v...
£6.56
582 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
185 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
110 in stock.
Casell GBF-CA - 12v 20w Ba15d 37mm 35° Frosted Halogen/Display Casell  - Casell Lighting
Casell GBF-CA - 12v 20w Ba15d...
£14.10
60 in stock.