Rain Hat Baby Soffit Vent for Range Hood Exterior Ventilation Grill. This speaker sponge plug not only reduces irritating wind noise and vibration but also refines low-frequency output. Use these reflex tube stoppers to upgrade your speaker cabinet plug, guitar sound hole dampener, or bass tube plug and enjoy balanced audio.Achieve professional sound quality by installing the high-density sponge bass reflex plug into your speaker air vent plug or subwoofer air plug.
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