The Seachoice Clam Shell Ventilator is great for routing cables. It provides splash protection for wire/cable runs, exhaust hose openings, vent holes, and more. It's easy to install and constructed of stainless steel for excellent resistant to corrosion. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.