The Westinghouse 03917 250R40 HT R Heat Lamp Light Bulb is a must have for a variety of uses. It has a red color/finish with an average lifetime run of 5000 hours, making it an ideal choice for you. This infrared heat lamp is easy to install and is a must-have for your pet's home whether it be a snake, iguana, rabbit, dogs and more. It is also durable and dependable and provides plenty of heat for your reptiles or other pets and animals as well. And no worries about light disturbing your pet's sleep schedule, day or night.