Chrome finish and washable for long-lasting. Filter measures approximately 3" in diameter with 1.6" length element, and 0.725" flange length. This filter fits velocity stacks with a 1-3/4" mounting diameter. The filter element can be oiled for extra protection, but oil is not included. We recommend K&N spray-on air filter oil that can be purchased at most automotive supply stores. This is our most popular air filter. Made in Taiwan.