Introducing the Rotary 11230 7-1/4 x 3-3/8 x 2-5/16 Paper Air Filter, designed to keep your equipment running smoothly and efficiently. This high-quality filter is specifically designed for use with Rotary engines and has a part number of 11230. Its compact size makes it perfect for a variety of applications, and it is easy to install. Say goodbye to engine problems caused by dirty air filters, and ensure your equipment stays in top condition with the Rotary 11230. With its reliable performance and durable construction, this paper air filter is a must-have for any maintenance toolkit. Trust Rotary for all your engine filter needs.