RV Gutter Extensions help to prevent ugly black streaks on your RV. Extensions redirect the water run-off from your RV roof that causes unsightly black streaks away from the RV sidewalls. Gutter spouts are extended over 2" for guaranteed clearance. Extensions install easily without any tools - just slide them onto your existing RV gutter spouts. Constructed from durable, UV-stabilized white nylon. 4-pack. | Camco RV Gutter Extensions, 4-pack in White