PULUZ for Gopro Fusion case, Housing Shell CNC Aluminum Alloy Case Frame Protective Cage for GoPro Fusion 360 Camera case with Basic Mount & Lens Caps Protection for GoPro : Electronics - Amazon.com
ForeverCam GoPro Fusion case review: an external housing with replaceable lenses and a standard 1/4-20 tripod hole | 360 Rumors
Waterproof Housing Protective Case Cover Underwater Diving for GoPro Fusion New | eBay