240v 300w R7s 118mm double-ended linear white halogen bulb giving excellent colour rendering and constant light output over a long life. High lumens per watt with 20% more light than an ordinary double-ended bulb. Typically used in shop lighting applications, but also ideal for homes, offices, shops, museums; and outdoor lighting for billboards, car parks, security lighting and construction sites. Must be used in luminaires with a front cover glass.