"Kobie
Filters has announced its new line of street rod air cleaners, manufactured
using brand-new, Ford Motor Company authorized, reproduction hubcaps.
These cool cleaners are available in styles from 1940, 1941, 1942, 1946,
1947 and 1948, as well as with smooth baby-moon styling. These 10-inch
diameter air cleaners are available in two different heights for all
four-barrel carbs. To get the skinny on these way-cool air cleaners,
contact Kobie Filters..."

- Street Rodder Magazine
Oct 1998
"Clean the air in your classic Ford's engine with Kobie's novel
line of air cleaners, made using new Ford authorized hubcaps ('40, '4l,
'42, '46, and '47-'48 Ford hubcaps are available, as well as Baby Moons).
These IO inch diameter filters are produced in 2 or 3.5 inches in height
for all four-barrel carburetors."

- Rod & Custom Magazine June 1999