Unsilenced and Unfiltered Air Cleaner

"Extra "High Performance" air holes behind the filter for better breathing. Give to my dad by Dick Landy at one of the "Perfomance Clinics" held back in the early '70's."

Would have fell out of my chair had he put something like that down. Think I'll ask him a question...

Just sent him a question- lets see if he answers and it is displayed in the listing. That would be hilarious