<p>The Simba Lighting T8 appliance light bulb may be used in microwave oven, under microwave vent hood light, conventional oven, and possibly some refrigerator models. Please note each appliance brand and model uses a different type of light bulb and there can be different types of light bulb for your particular appliance. One alternative appliance bulb is the A15 light bulb. Please verify the light bulb type for your appliance prior to purchase. This light bulb provides a wide 360 degree beam angle. There is no mercury content and it is instant on!</p><p>This incandescent light bulb takes 40W, giving 260 lumens of light. Assuming an average of 3 hours of daily operation and average cost of 11 cents per kW, the yearly energy cost is $4.8.</p><p><b>Seller 90-day warranty</b>: Just send us a message if the product malfunctions before 90 days after the purchase date.</p><p><b>Important Facts on Shopping for Light Bulbs:</b><br><i>When shopping for light bulbs, please DO NOT go by the listing photos, as the photos cannot give you an accurate match. Instead, please verify the light bulb dimensions, shape code, base, voltage, and wattage all match the type you are replacing. Please also DO NOT go by the applications listed in the listing. There are many variations of light bulbs used for the same application. So, please make sure to make the right match prior to order.</i></p><p><b>Product Features:</b></p>