You can find these very useful accessories in fireplace specialty stores or even some hardware stores and big box home centers as well. A search done on your favorite search engine will provide information on where you can purchase them as well. You can even buy them online but keep in mind that you will pay shipping and handling charges as well.
An electric fireplace is a great addition to the household. They come with different adjustable modes that can be used with a single click and can change a dreamy calm glow to a roaring flame for cold nights. They have a realistic sound that gives a feel of traditional fireplaces eliminating the risks associated with it and are much safer.