This is $20 on Amazon
This model S8515 looks like its $44.29
The $20 one is a S8510.
Uvex Bionic Face Shield with Clear Polycarbonate Visor and Anti-Fog/Hard Coat (S8510) https://a.co/d/iDcYgs9
Amazon $20 Model is (s8510)
Woot $29.50 Model is (s8515)
I have no idea what the difference is, but they aren’t the same model number
One is for a hard hat and the other is meant for your head. It took me awhile to figure it out