The dry air filter is much superior to the oil bath. They filter better & have less restiction when changed when needed. They were developed for Nascar back in the 50,s. Engines lasted much longer after they started using them. All the large trucks I have serviced in the last 40 years have had dry filters with a circulater to get the large particles before they get to the cartridge. The only good thing about oil bath is the nostalgic part.
