The SP-580Q Imprex II Hyperdry snorkel has a special internal purge channel located below the mouthpiece. It channels exhaled air out the top of the snorkel while excess water drains through the bottom purge valve.
Dimensions:
Internal Volume: 8.4 ci / 138 cc
Dimension: 16.9 in x 4.8 in / 430 mm x 122 mm
Weight: 5.5 oz / 156 g
