IST Corona Twin Lens Scuba Diving Snorkeling Mask with RX Lens Option Filter Product Category_Line & Markers low-profile mask with advanced lens

low-profile mask with advanced lens technology and plenty of style

The adapter’s cylinder valve head attaches to the yoke whip

Three window design offers a panoramic view and makes the most of light refraction to sharpen visibility

Include Aquamira's Water Treatment Drops in your gear list to treat water fast—and avoid the cramping

Spearfishing and Scuba Gear Bag has been re-engineered to address problems common to a large gear bag

IST Corona Twin Lens Scuba Diving Snorkeling Mask with RX Lens Option Filter Product Category_Line & Markers low-profile mask with advanced lensSilicone skirt with low volume and comfortable edge seal Swivel buckles, adjustable to fit all adults Lightweight and durable polycarbonate frame Dual tempered, scratch resistant glass lenses for maximum clarity and safety Prescription lenses available IST dive equipment has been a trusted name in scuba and watersports gear for over 35 years, and a pioneering innovator in supplying diving masks with prescription lenses. The IST Corona Twin Lens Scuba