"White 7ö x 14ö Rain Drain opening port. Primarily for installations where cabin sides are inclined at angles greater than 15 from vertical and ports collect rain and spray. These ports have 2"" spigots. When trimmed flush with spigots cut to 5/8"" (for up to 1/2"" cabin walls), they drain even when tipped at angles up to 45. Constructed of strong, white ABS plastic with clear or smoked Lexan windows. Trim rings and screens are included. Feature BecksonÆs patented cam latches. Use only 100% silicone caulk for installation."