JL Audio SGR-8 Rubber Gasket/Grille Receiver for 8W0/8W3/8W3v2 JL Audio Subwoofer JL Audio 8" Subwoofer Grille Designed specifically for the original 8W0,JL Audio 8W3V3-4, and 8W3v2 subs Subwoofer must be equipped with the rubber gasket/grille receiver Provides the best protection possible for your JL subwoofer Metal mesh grill painted black