Here are 2 NOS A193C foam filters sealed in a thick plastic bag inside the AC box.
Also a NOS A224C foam filter for the separate air cleaner for the smog pump.
The 1966 Owners Guide spells out cleaning instructions for the foam filters.
The A224C filter was a flat square perforated metal plate sandwiched in foam.
This filter slid inside the plastic AC canister. You can see the dirt inside the inlet side before the filter, then a cleaner air was pulled forward to the air pump.
Photo from a 60’s magazine test article.
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1965 GTO Unrestored Survivor 389 / 335 4 BBL.
1966 GTO Unrestored Survivor 389 / 360 Tri-Power
Early (63-66) Schwinn Stingrays, all Unrestored Survivors
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