Clam Shell Ventilation Cover Boat Engine Air Vent Marine Drain Scoop 21x18cm

Top quality clam shell ventilation cover, as used on many boats as original equipment.

Top quality OEM grade part.

Commonly used for engine ventilation, bilge blowers etc...

Suitable for 3" (75mm) and 4" (100mm) ventilators.

Includes nylon fasteners to secure.

Made from UV resistant, high impact polyamide plastic. Designed for use around salt water.

Compatible with common sealants and impervious to acetic acids.

215mm long, 180mm wide and 70mm deep.
140mm max internal width.