PowerBass SWX-15G Steel Mesh Grill A speaker grill is like an insurance policy against damage to your speakers. The SWX-15G is a great and stylish way to protect your 15" 3XL Series Subwoofers. The SWX Gill installs in seconds by using the subwoofers already supplied beauty ring to hold the Uni-Body Design Mesh Grill in place with no extra hardware required. Features - Fits 3XL Series Subwoofers 15" Black Steel Mesh Grill Corrosion Resistant Black Finish Mounts with no additional hardware needed One Piece Uni-Body Design