The Cinema Series Filter Set from PolarPro rental is a 6-pack of high-quality glass filters is designed specifically for your Phantom 4 Pro drone. It includes 3 Neutral Density/Polarizer (ND/PL) filters and 3 Neutral Density (ND) filters, each with a different F-stop reduction. Use the filters for reducing shutter speed, removing glare, and increasing color saturation as needed. Each filter is precision-threaded and lightweight so they won't hinder gimbal function, ensuring smooth operation.