PANOCPLV2 Circular Polarizing Lens Magnetic CPL Filter for Street Guardian SGZC12SG, SGZC12SS, & Panorama S Reduce DashBoard Reflections from below and Sun Glare New Version 2.0, extra strong magnets, extra high quality glass made in Japan neoprene carrying bag included 2 Metal Stick-on support base rings for Street Guardian SGZC12SG, SGZC12SS, & Panorama S & X2 (CPL magnets attaches to metal base ring) SGZC12SG/SGZC12SS/Panorama S already has a built in metal ring ready to go. (Stick-on base ring not needed for these models, X2 only needs included stick ring)