Fotodiox Pro WonderPana Go H3+ Naked Standard Kit - GoTough Filter Adapter System f/ GoPro HERO3+ and HERO4 Naked Camera Without Case with Three Filters (UV, CPL, ND8) Simple installation of all-metal WonderPanaGo filter adapter onto GoPro HERO3+ & HERO 4 Naked Cameras The all-metal adapter attaches for a solid mount to your camera Adapter does not interfere with normal function of the camera Kit comes with 3 premium glass filters that screw on for a solid fit 24-Month Manufacturer Warranty