performance air filter, universal air filter, racing parts, mini bike air filter, pocket bike air filter Part Product SpecificationsProduct Stytle:Dual Flange Oval Unversal Air Filter1.PU,stainless steel clamp,60PPI foam as material,2.reliable and applicable,3.easy to install,4.be packaged with white box,5.your drawing and your size as welcome,6.with different size of flange.