3 Blade Aluminum Propeller 13-1/2 x 17 Right Hand Rotation Thru Hub Exhaust & 15 Spline
These Propellers are for Force Motors with DUAL EXHAUST
You have a Dual Exhaust Motor if your Water intake is above the prop line on the strut, and the Exhaust comes through both the snout & the propeller. See Diagram in Description Tab Below.