Inner Air Filter. 
 
Bobcat inner air or secondary engine filter housed in a cylindrical air cleaner.
Blue nanofibers protect engines by trapping contaminants such as dirt, dust and soot before they reach your engine.
Round style, safety type
Resin-treated cellulose media corrugated to maximum depth for a greatly increased air filtering surface
Precise channels for better airflow
Evenly spaced pleats and radial seal design for optimum contaminant-holding capacity
Tested in temperatures of -40 to 180 degrees without failure or leaking
Easy to install
 
Not sure if this fits your machine? Please get in touch with your serial number and we will be more than happy to check this.