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Single 12" Ported Subwoofer Box Enclosure 1" MDF Vented Sub Box RI Aud – Pricedrightsales
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Best Buy: Metra 12" Single Ported Subwoofer Enclosure Charcoal TCBXP-112
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LAB SlapBox™ 2.75 ft^3 Ported MDF Enclosure Box for Single DD Audio 3500
3x15'' Double Ported Pro Poly Sub Box | Rhino Bass Box
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