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
12" Big Roll Subwoofer Foam Surround Repair Kit Speaker Parts | eBay
HOW TO: DIY speaker refoam using a Parts Express repair kit - YouTube
Amazon.com: Springfield Speaker 8" Subwoofer Foam Surround Repair Kit - 1 Speaker Kit - Compatible with Rockford Fosgate Punch - 8 Inch : Electronics
Amazon.com: Yoidesu 2pcs Black Color 8 inch Rubber Speaker Edge Surround Rings Replacement Parts for Speaker Repair or DIY,Perforated Rubber Speaker Foam Edge Subwoofer Surround Foam Replacement Parts : Electronics