Under £10

T4 20 Watt 4000k Cool White Tube. Length: 565mm

12v 20w GU4 35mm 30 Degree Dichroic 3000 Hours Life Covered Glass - Casell Brand

240 volts 20 watt E27 T38X110mm Clear Tubular Lamp Decorative Filament - 3000 Hours Life - Casell

230V 20W T8 LED Tube - 4ft Alternative to classic T8 fluorescent lampsInstant ignition Integral driver and mercury free components, ensuring safety...

12v 20w GU5.3 51mm 12 Degree Dichroic 3000 Hours Life Covered Glass - Casell Brand

230V 18W T8 LED Tube - 4ft Alternative to classic T8 fluorescent lamps up to 130lm/w Instant ignition Integral driver 4000K, Cool White, 2295lm N...

20w T12 600mm 2 Foot Colour:33

12v 20w GU5.3 51mm 60 Degree Dichroic 3000 Hours Life Covered Glass Glass - Casell Brand

MR11 12v 20w GU4 35mm 10 Degree Dichroic 3000 Hours Life Red - Casell brand

Philips Ecofit LEDtube 1500mm 20W 840 T8 - LED Tube T8 EcoFit 20W 840 150cm 2000lm | Cool White - Replaces 58W

Philips Ecofit LEDtube 1500mm 20W 865 T8 - LED Tube T8 Ecofit (Mains AC) 20W 2000lm - 865 Daylight | 150cm - Replaces 58W

MR11 12v 20w GU4 35mm 10 Degree Dichroic 3000 Hours Life Green - Casell Brand

Casell 12v 20w GU5.3 51mm 12 Coolfit Aluminium Reflector 4000 Hours- 635635602970

Casell 12v 20w GU5.3 51mm 24 Coolfit Aluminium Reflector 4000 Hours- 635635602987

Philips LED Tube CorePro LEDtube 1500mm 20W 865 T8 - Replaces 58W

Highly efficient UV-C germicidal lamps which limits viruses and other pathogens multiplying. Perfect for use in hospitals, schools and labs.

Ledvance LED TUBE T8 EM ULTRA OUTPUT V 1200 mm 20W 830. GTIN: 4099854038327

Ledvance LED TUBE T8 EM ULTRA OUTPUT V 1200 mm 20W 840. GTIN: 4099854038402

Ledvance LED TUBE T8 EM ULTRA OUTPUT V 1200 mm 20W 865. GTIN: 4099854038525

12v 20w GU4 35mm 17 Degree Dichroic Covered Glass Amber

12v 20w GU4 35mm 17 Degree Dichroic Covered Glass Blue

12v 20w GU5.3 51mm 11 Degree Dichroic Pink - Casell Brand