Part#AS0175-3EMT - Cheap 6 inch tin top chome air cleaner with a tall 3 inch element, made in Taiwan. This one suits carburetors with a 5 and 1/8 inch neck, which is typically the standard four barrel holley neck. Complete with filter as you see pictured here.

The taller 3 inch element chrome air cleaner will fit the Impco Gas Carby.