| 摘要 |
A snorkel includes a rigid main tube, a Y-branch connected to the bottom end of the main tube by a flexible tube to hold a mouthpiece, wherein the main tube has a filter at a curved top end thereof, a side chamber with a downward outlet, a check valve in the downward outlet for letting air/water out, and a baffle suspended on the inside and sloping toward the side chamber to guide a part of the user's exhaled air toward the check valve in the downward outlet of the side chamber; the Y-branch has a check valve at a bottom end thereof for letting air/water out, and a baffle suspended on the inside and spaced between the mouthpiece and the check valve of the Y-branch to guide a part of the user's exhaled air toward the check valve of the Y-branch.
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