Vent suction ERV110A round SS316

Round air suction vent.
This air suction vent is made of stainless-steel (AISI 316).
The synthetic rotating connector is meant to function as a watertight dorade box,
Matching hose is not supplied.
This vent is suitable for up to 16 hp of engine power. Therefore, for a 60 hp engine, 4 of these air suction vents must be fitted (2 x to port and 2 x to starboard).
Free flow area: 0.66 dm²