4 "Round Air Filter Universal.

Round; 98mm outside diameter x 73mm inside diameter x 51mm deep. Universal for many 4 "round Rough Crafts air filter kits. K&N is the global standard in high quality, high quality filter systems. They are washable and can be used as a standard replacement.

The filter elements are designed with a ribbed surface that gives you up to 5 times more filter surface than a regular replacement filter, drastically increasing the airflow. The K&N filter elements have a steel housing with cotton between the screens.

K&N filters reduce service intervals, are more flame resistant and last much longer than comparable foam or paper-like filters. Note: The stated dimensions are approximate and for reference only.

Fits:> Universal for 4 "round air cleaners & Rough Crafts air purifiers

Model: E-3120