Sylvania 2-Pack 40W Indoor Soft White A15 Incandescent Appliance Light Bulbs are anti-vibration with a long rated-life of 1,000 hours. It can operate in horizontal, vertical or angled positions. It uses 40W to produce 340 lumens of brightness with a medium base which fits all standard fixtures. These 40W appliance bulbs can be used with chandelier and appliances, enclosed outdoor fixtures, ceiling fans.