What is this?Speaker cover is mainly used to cover the speaker, play a dustproof effect and protect the speaker. suit for a 5-inch speaker, It's the best accessory for home audio repair and DIY. Widely used in home audio, shopping mall audio, outdoor audio, and portable small speakersWhat will I get?Mesh Speaker Grill Cover, we provide here, are in the size of:Color: WhiteMesh material: MetalFrame material: ABSFrame Outer diameter : 169mm / 6.65 inchFrame diameter: 119mm / 4.69 inchHole Distance: 137mm / 5.4 inchHole size: 4.5mm / 0.18 inchInstallation method: ScrewsIn the package of: 4 Pack x Speaker Grill Cover; 16 Pack x ScrewsAre there any advantages of the product?1. The Subwoofer grill horn is mainly used to cover the speaker to prevent dust. Rust-resistant and durable, making the speaker last longer2. The speaker cover design in mesh grill adds more advanced trim to your subwooferHow to use it?Remove the old speaker cover, then apply glue to the edge of the new speaker cover, then install it to make sure it sticks firmlyWhat should I notice?All size above is measured by manual, please allow +/-0.1 inch error.