JL Audio SGRU-13 Gasket/Grille Receiver for 13W1v2/13W1v3/13TW5/13TW5v2 JL Audio Subwoofer 13" Mesh Subwoofer Grille Made soecifically for select JL Audio 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