TUSA TA0804 Anti-Fog Scuba Diving Mask Film - Large Single Lens for Clear Underwater Vision | Perfect for Snorkeling, Spearfishing & Scuba Diving

For Large Single Window Masks. Fits M1010, M1010S, M1001. Freedom Film will keep your favorite mask fog-free while diving underwater. Made with long-lasting durable material, Freedom Film can be installed easily, and is reusable with proper care.