Air Filter Element (PA4075) by Baldwin Filters®. Baldwin, an industry leader since 1936, carries a full line of Heavy Duty Air Filters and Elements to meet your air intake needs. This first-rate American-made product is the winning choice for performance-minded racers. Made with craftsmanship and high-tech machinery by highly skilled engineers, it leapfrogs the competition. The product delivers outstanding operation and ensures absolute reliability. Featuring the tried-and-true design, it guarantees to provide hassle-free service for a year in and year out.