This air filter, model number B1AF213, is made by Sunbelt and compatible with Briggs & Stratton engines that have a 10-13.5HP power source. It comes in a sleek black color and is sold in a pack of one. The voltage required for this filter is 12V and it is manufactured in the United States. This high-quality air filter is perfect for lawn mowers and other outdoor power tools. It will ensure that your engine is running smoothly and efficiently, without any worry about the condition of the filter. The Sunbelt brand is known for producing top-of-the-line products that are made to last, so you can trust that this air filter will do an excellent job.