Silt Erosion Screen

[Dovette]

Hello everyone!
Happy Thursday!
I've got a co-worker here asking me about "Silt Erosion Screen"...We both have no clue what this is. Anyone have the time to explain?

Ya'll are the best! Thanks!

 

[mpn]

http://en.wikipedia.org/wiki/Silt_fence

 

[jfiscus]

I think Tractor Supply sells it.