JL Audio SGR-13W6v2 Gasket/Grille Receiver for 13W6v2 JL Audio Subwoofer 13.5" Mesh Grille Insert Grill specifically made for13.5" W6 Subwoofers 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