Stilko Eternal Oil Cleaner brand new.dont now what they fit

I have three vintage Stilko Eternal Oil Cleaners in their original boxes, These cleaners use toilet tissue as the filtering material, promising better oil cleaning and extended engine life! Given their age, they're in good condition and would make a novel addition to any collection. Wall hangers or use If the ad's up, they're available—no need to ask! Feel free to scoop them up before they're gone! Bill 905-646-8253