Buy Phantom 4 Series Low-Noise Propellers - DJI Store
8 x 9450 Self Locking Carbon Fiber Propeller Props for DJI Phantom 1 2 3 Version | eBay
Amazon.com: DJI Original 9'' CW+CCW Props 9450 Self-tightening Propeller 4 Pcs for Phantom 3 Professional / Advanced / Standard Quadcopter : Toys & Games