For most applications where you are using a Versaflo Helmet, you will want to purchase these optional M-170 inserts.
They cover the large top ventilation holes in the helmet, providing head protection from dirt and debris, as well as some protection from contact with stationary objects.
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.
www.P65Warnings.ca.gov