US Divers snorkeling masks reveal the wonders of the underwater world with the most comfortable fit and the most advanced technologies. If you're looking for the best snorkeling gear, look no further. U.S. Divers snorkeling equipment comes with a variety of features and is the name you've come to trust for innovation, performance and quality.Read more
Mask Purge Technology
A purge valve allows you to eliminate water through the one-way purge valve without removing or tipping your mask. If your mask has a built-in purge just exhale normally through your nose. The water will drain out of the purge valve. The purge needs to be at the lowest point in order to work properly.