TUSA TA0803 Anti-Fog Scuba Diving Mask Lens Film - Large Twin Pack for Clear Underwater Vision | Perfect for Snorkeling, Spearfishing & Scuba Diving

For Large 2-Window Masks. (2 pieces - Left and Right). Fits M2001S, M211, M2004. 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.