Super HD Filter Kit (CP, UV, ND4, ND8) with Lens Pen, Blower, Dust Brush and Microfiber Cleaning Cloth for DJI Phantom 3 Quadcopter High index, low-dispersion multi-coated HD optical glass to reduce flare Precision threaded aircraft aluminum frame Ultra light weight design Lifetime warranty Kit includes UV, CP, ND4, ND8 Filters, adapter, pouch, cleaning pen, dust brush, blower, 47th Street Photo microfiber cleaning cloth