What Are The Spinning Discs On The Roofs Of Vans?

Mystery Hour

Mystery Hour Question

On the roof of some vans, you get black spinning discs. What are they?
Darren, Walton-on-Thames

Answer

** Definitive **
Name: James, Westminster
Qualification: We drive guard dogs around
Answer: They are called “fletner vents” on vans and are used when you are transferring dogs or food. As there are no windows in vans, there needs to be another way to circulate fresh air – and also get rid of the smell.

James O'Brien holding today's Daily Mail

Hillsborough Charges Happened Due To Human Rights. But Look At The Daily Mail, Says James

Nigel Farage Caller Chris

Caller Asks: “Why Am I Agreeing With Nigel Farage?”

Shelagh Fogarty not impressed

"If Grenfell Residents Move Into My Flats, I'll Move Out"

Darren Adam in the LBC studio

This Woman Lost Everything In A House Fire, But What Happened Next Was Wonderful

Comments

Loading...