GoPro Cameras - GoPro Magenta Dive Filter For Standard Housing - Purple :: Unisex > Actions Camera. Scratch-resistant. optical-grade glass to guarantee optimal image clarityProvides colour correction in fresh and green waterDesigned for use with Standard Housing. Blackout HousingFilter snaps into place for quick. tool-free installationWorks best when filming from right under the surface down to depths of approx\n 65 feetReduces overall green tone of fresh water Size: one size.