Sea-Dog 5208421 Dripper Guard® Adhesive Stain Guard, Up To 2-5/8" , Qty: 1 weight .02, White

Stops black streaks from staining the side of your boat. Easy do-it yourself installation, simple prep-peel backing and press along the bottom edge of your thru-hull. Patented channel design redirects water out and away from the hull preventing drips down the side and eliminates stains and water sediment build up.