20W Xenon T4 bulbs burn much cooler and last 2x as long as Halogen T4's. G8 dual pin base miniature bulb (T4 type). Heat-resistant Capsylite base moulding. Length 1.8".

Product Details:

20 watt Xenon T4. Brightness equal to or greater than 20 watt Halogen T4. Base: G8 dual pin; Length: 1.8"; Light Output: 180 lumens; Average Lifetime: 4000 hours.