Klipsch 6.5" Single Subwoofer Foam Surround Repair Kit - 1A65 – Springfield Speaker
18" Tall Roll Subwoofer Foam Surround Repair Kit | The Lord of Bass
Amazon.com: Springfield Speaker 10" Subwoofer Foam Surround Repair Kit - 2 Speaker Kit - Compatible with 10" Rockford Fosgate Punch Subwoofers with The 7" Cone Diameter Such as The Punch HE2-10 Inch : Electronics
Repairing Ripped / Torn Subwoofer Surround - YouTube