**Center Head Foam to the top-middle of shield (depending on model, not necessarily 4.5″ from edge)**
Face Shield Cleaning
To clean your Face Shield, we recommend Novus #1 Plastic Clean & Shine. Alternatively, 60% isopropyl alcohol can be used.
Do NOT use any of the cleaners from the list below to clean your Face Shield as it may warp, crack, or otherwise adversely affect it.
DO NOT USE THESE PRODUCTS:
LYSOL Brand Disinfectant (Spray, Wipes, etc.)
Ammonium-Based Cleaners (i.e. Windex)