Home / LIGHTING / LAMPS & BULBS / Halogen Bulbs Product Description GE Twin Pack of Energy Efficient Halogen GLS Light Bulbs. 42W = 55W Light Output. 240V - E 27 ES Fitting. Dimmable, expected life 2000 hours. Brand General Electric Technology Halogen Fitting Large Edison Screw (ES) Wattage (W) 42 Wattage Equiv. (W) 55 Lumens 630 Dimmable Yes Colour Temperature (K) 2,800 Shape GLS Lifetime (Hours) 2,000 Energy Rating D Pack Quantity 1 Specifications Product Code 043168639316 Weight 0.5kg Delivery & Returns GE Twin Pack Efficient Halogen GLS Light Bulbs ES Fitting 42W Sorry Currently Out of Stock Product Code 043168639316 GE Twin Pack of Energy Efficient Halogen GLS Light Bulbs. 42W = 55W Light Output. 240V - E 27 ES Fitting. Dimmable, expected life 2000 hours. £2.50 Sorry, this item is out of stock. Please email or call us to check availablilty. You may also like Item in Stock GE Twin Pack Efficient Halogen GLS Light Bulbs ES Fitting 70W GE Twin Pack of Energy Efficient Halogen GLS Light Bulbs. 70W = 92W Light Output. 240V - E 27 ES Fitting. Dimmable, expected life 2000 hours.