Ikelite 6441.31 UR/Pro Blue Water Color Correction Filter for 2.2 Diameter Port Shortened Length Snorkeling - Full Face Mask Accessories Built with a comfortable high-grade

Built with a comfortable high-grade silicone skirt and a wide headband

This revolutionary material traps and reflects heat to enhance your overall warmth

a 3D palm print boosts abrasion resistance and grip

A 3D Full-Tilt Digital Compass plus built-in GPS assists surface navigation

The battery has a custom-designed protection circuit which provides a variety of protection features built into the battery

Ikelite 6441.31 UR/Pro Blue Water Color Correction Filter for 2.2 Diameter Port Shortened Length Snorkeling - Full Face Mask Accessories Built with a comfortable high-gradeEnhances warm reds and oranges in tropical "blue" water with available sunlight up to 80' (24m). Secures to the outside of the Ikelite lens port offering easy installation and removal. For use without a flash.