JL Audio SGRU-6 Rubber Gasket/Grille Receiver for 6W3v3 JL Audio Subwoofer 6-1/2" Subwoofer Grille Grill made specifically for the JL Audio 6W3v3 Grille fits between the subwoofer's rubber surround the plastic concealing ring Provides the best protection possible for your JL subwoofer Metal mesh grille painted black