D Energy-Rated Light Bulbs & Lamps

Products with a D indicate that they have been awarded a D energy rating by the EU energy label directive based on their energy efficiency index (EEI) relative to a standard incandescent light bulb. D rated non-directional lamps have a relative energy consumption of <95%. D rated directional lamps have a relative energy consumption of <175%. D rated light bulbs are typically halogens.

Showing 1–16 of 57 results

42watt SES E14 Small Screw Cap Clear Equivalent To 55watt Dimmable

£1.98
thelightbulb.co.uk Reviews with ekomi.co.uk

42watt GLS BC B22 Bayonet Cap Clear Equivalent To 55watt Dimmable

£1.98
thelightbulb.co.uk Reviews with ekomi.co.uk

42watt BC B22 Bayonet Cap Clear Equivalent To 55watt Dimmable

£1.98
thelightbulb.co.uk Reviews with ekomi.co.uk

70watt GLS ES E27 Screw Cap Clear Equivalent To 92watt Dimmable

£1.98
thelightbulb.co.uk Reviews with ekomi.co.uk

42watt GLS ES E27 Screw Cap Clear Equivalent To 55watt Dimmable Twin Pack

£3.18
thelightbulb.co.uk Reviews with ekomi.co.uk

28watt GLS ES E27 Screw Cap Clear Equivalent To 37watt Dimmable

£1.98
thelightbulb.co.uk Reviews with ekomi.co.uk

42watt ES E27 Screw Cap Clear Equivalent To 55watt Dimmable

£1.98
thelightbulb.co.uk Reviews with ekomi.co.uk

30watt BC B22 Bayonet Cap Clear Equivalent to 40watt Dimmable

£2.34
thelightbulb.co.uk Reviews with ekomi.co.uk

33watt Capsule G9 2pin Cap Clear 240v Mains Voltage Halogen Equivalent to 40watt Dimmable 4008321226341

£2.34
thelightbulb.co.uk Reviews with ekomi.co.uk

28watt SBC B15 Small Bayonet Cap Clear Equivalent To 37watt Dimmable

£1.98
thelightbulb.co.uk Reviews with ekomi.co.uk

42watt GLS BC B22 Bayonet Cap Clear Equivalent to 55watt Dimmable Twin Pack

£3.18
thelightbulb.co.uk Reviews with ekomi.co.uk

28watt BC B22 Bayonet Cap Clear Equivalent To 37watt Dimmable Twin Pack

£3.18
thelightbulb.co.uk Reviews with ekomi.co.uk

28watt ES E27 Screw Cap Clear Equivalent To 37watt Dimmable

£1.98
thelightbulb.co.uk Reviews with ekomi.co.uk

18watt BC B22 Bayonet Cap Clear Equivalent To 25watt Dimmable

£1.98
thelightbulb.co.uk Reviews with ekomi.co.uk

20watt SES E14 Small Screw Cap Equivalent to 26watt Dimmable

£2.34
thelightbulb.co.uk Reviews with ekomi.co.uk

18watt SES E14 Small Screw Cap Clear Equivalent To 23watt Dimmable Twin Pack

£2.70
thelightbulb.co.uk Reviews with ekomi.co.uk