First Defense Nasal Screens are the first ever non inserted, hypo-allergic, USA made, that offer you discrete but effective protection against dust, allergens and even contagious viruses such as flu.

Benefits:

✓ Easy to use and discreet

✓ Safe and Hypoallergic

✓ Block viruses and bacteria

✓ Block dust and allergens

✓ Made and patented in the USA