Editorial Review Air Filter and Precleaner for Briggs & Stratton Professional Series 775-875 engines. There is a lot behind the Maxpower name, as a division of the world's largest aftermarket supplier of outdoor power equipment parts and accessories, there is over 50 years' experience. There is also unparalleled quality assurance. As a USA manufacturer of lawnmower blades, foam air filters and trimmer line, we pride ourselves on our strict quality control. We are involved every step of the way with our products; design, manufacturing and packaging. As a family owned company we know it is important to listen to what you want. So if you're looking for a company that stands behind its replacement parts, you found it in Maxpower.