Forgotten Dirt Devil/Royal Products

[panasonicvac]

And the metal Dirt Devil 501D hand vac would've been a companion to the metal Dirt Devil commercial upright but they weren't sold around the same time.

 

[regularrett69]

I believe that translucent blue featherlite hard bag were just called the Dirt Devi Lite, I've seen more pics on facebook groups.

the 501d was sold at the same time as the "commercial quality" plastic uprights, so would've been a companion to one of these:

 

[kirbyman65]

I have

One of those sweepers, didn’t know they made them with black font for commercial use. Was there any difference besides that?