Shipping & Return
Because of its blue light filter the FL-41 is a perfect lens to use at the computer screen.
Blue and Green light have been proven to trigger headaches.
The FL41 Filter helps people with headache and migraine problem.
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.