Foam 39/40 millimeter Air Filter.

Flange inside diameter: 38 millimeter/1.50 inch; Base: 89 millimeter/3.50 inch; Height: 80 millimeter/3.00 inch; Total Height: 3.5 inch; Top: 89 millimeter/3.50 inch

PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov