DJI Phantom 4 Stealth Propellers - BLUE - Master Airscrew
Amazon.com: DJI Part 137 9455S Low-Noise Quick-Release Propeller for Phantom 4 Pro and Phantom 4 Pro+ V2.0 Quadcopter Drone, 2 Pack, White : Toys & Games
Are Silent Propellers Better? - KEN HERON - DJI Phantom 4 series - YouTube
Genuine DJI Phantom 4 Part 137 9455S Low-Noise Propeller for P4, Pro, Adv, V2.0 | eBay