AC-Delco Vintage NOS Air Cleaner tester Super Rare Cool. The box was flacking apart so there in no original box. Very cool tester the also lights up bulb inside and a ball goes up to tell you your air cleaner is working. Runs nice and see light in picture. Very clean see picture from the late 60's my aunt said.This is from my uncles collection really neat talk about item for a car guy. The item "AC-Delco Vintage NOS Air Cleaner tester Super Rare Cool NEW OLD STOCK GM COOL" is in sale since Sunday, February 2, 2020. This item is in the category "Collectibles\Advertising\Merchandise & Memorabilia\Store Displays". The seller is "cars-for-investment" and is located in Mount Prospect, Illinois. This item can be shipped to United States.