Amazon.com : DJI Osmo Pocket - Set of 4 ND Filters (ND4, ND8, ND16, ND32) for Camera Lens, HD Photos, Light-reducing Materials, Magnetic Design, Easy to Change, Compatible with DJI Osmo Pocket,
List of Available Third Party ND Filters for Pocket 2 (Update 1) | DJI FORUM
PGYTech DJI Osmo Pocket 3-pack Gradient ND Filter Set Professional PGY AUS | eBay
List of Available Third Party ND Filters for Pocket 2 (Update 1) | DJI FORUM
Pgytech Filter 4 pcs ND Set PRO for DJI Osmo Pocket Red | Techinn