Air cleaner, replaceable filter cartridges, and methods

An air cleaner assembly, a main filter element, and a method for servicing an air cleaner assembly are provided according to the present invention. The air cleaner assembly includes an air cleaner housing and a main filter element. The air cleaner housing includes a safety liner having a closed end cap that supports the main filter element, and helps reduce the tendency of the main filter element to rotate during use of the air cleaner assembly.