JL Audio SGR-10 Rubber Gasket/Grille Receiver for 10W0/10W3/10W3v2 JL Audio Subwoofer 10" Protective Mesh Subwoofer Grille Designed specifically for theJL Audio 10W0v2-4andJL Audio 10W6v2-D4JBL subwoofers Subwoofer must be equipped with the rubber gasket/grille receiver Provides the best protection possible for your JL subwoofer Metal mesh grille painted black