21″ Subwoofer Cone 3″ VCID

• Cone body Material:  Kraft Pulp
• Surround Material:  Foam
• Cone Height:  5.07″  (129mm)
• Outer Diameter:  20.59″  (523mm)
• Surround Height:  0.984″  (25mm)
• Surround Width:  1.77″  (45mm)
• Voice Coil Opening:  3.07″  (78mm)
• Cone Mass:  417 Grams
• Dust Cap Notch:  No