BRAND NEW BOAT VENT.  YES! WE SHIP WORLDWIDE TOO! This listing is for ONE vent.   And, More than one is available on this listing. Just enter the number u need above at checkout.  These are BLACK AND ARE 13 1/4" LONG BY 4 3/4" WIDE ON THE OUTSIDE.  BACKSIDE WILL FIT INTO OPENING 12" BY 3 1/2"..  We also have listed in our ebay store the 14" SEA RAY vents,, in white ,, very similiar to what you see,, just a bit larger lip with the same rear measurements as these,, see our ebay store.   THESE FIT MANY BOATS INCLUDING SEARAY , SILVERTON,  WELLCRAFTAND MANY OF THE EARLIER YEARS  TOO.  WE ALSO HAVE THIS SIZE AND THE 14" SIZE LISTED IN  OFF WHITE.  ANY QUESTIONS,, PLEASE FEEL FREE. THANK YOU.  HAPPY BOATING!!

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Excellent. Just what I needed for my old 1989 37 Silverton. Fit perfect.
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