Airhorn Screens


Stack
Filter Screen
Choose from 2 sizes: 2.75" and 3.25" Diameter Air Horn (2 per pack)

I don't know much about these. I can't find a rectangular filter but I think I've seen one before with a round opening, I don't think it had a 3" inlet though. Smaller is your best bet, or you can cut and glue to get what you need. (horrors)

Les

Link: http://www.alamomotorsports.com/weber/air_filters.html