Fire extinguishers
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From our buying guide
Powered boats with permanently installed fuel tanks, or spaces where fuel vapors can be trapped, must carry them in a number set by length. The Coast Guard's FAQ says a 10-B counts only as one 5-B, even though it contains more agent.
Check before you buy:
- The label on the bottle states 'Marine Type USCG Approved'.
- The date on a disposable leaves it plenty of life, since the Coast Guard's FAQ says it is expired once it is more than 12 years old.
- It comes with its bracket, since makers tie the approval to it.