Choose the Freewell DJI Osmo Pocket 4/3/Xtra Muse Filter Case if you use Osmo Pocket 4/3/Xtra Muse and want night scenes and city shooting where light pollution can wash out the sky. It is a good fit for creators who already know the look or shooting problem they are trying to solve, rather than shoppers who simply need a full starter kit.
This is a focused accessory, so it works best when matched to the right scene. Use it when the product name matches your camera model and the filter effect matches your goal. If you need a wider range of daylight options, consider a multi-filter kit instead.