The Caicos Snorkel has an easy clear purge valve with a deep well reservoir to keep the air way clear of residual water. The snorkel comes equipped with a comfortable replaceable (see SKU: GNSSMP) clear silicone mouthpiece which curves inward to reduce jaw fatigue. The snorkel keeper is easy to attach to your favorite mask. Snorkel is available in 4 colors and comes with a 24 month limited warranty.