Frame 1-way B.3 aluminum, brown/polar white. Cover frame for vertical and horizontal installation. For use with anthracite-colored central pieces. Flush-mounted installation, surface/design program, 1-way. Material: aluminum and plastic, thermoplastic, shatterproof, halogen-free. Cover frame for vertical and horizontal installation. For use with anthracite-colored central pieces. Flush-mounted installation, surface/design program, 1-way. Material: aluminum and plastic, thermoplastic, shatterproof, halogen-free.