Thumb Score: +16 Adorama has 3-Piece Polar Pro ND/PL Filter Set for DJI Phantom 4 Quadcopter on sale for $14.95. Shipping is free. Thanks iconian Includes:Polar Pro ND4/PL Filter (2-Stop) ND8/PL Filter (3-Stop) ND16/PL Filter (4-Stop) Polar Pro Lifetime Limited Warranty