I have a single sealed enclosure for a 12" woofer the interior has polyfill stuffing for vibration dampening. The only problems are the original terminal is gone so i replaced it with nuts and bolts. I'll let the box go for $40.00.
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ftp://ftp.tampabayip.com/tampabayip-anonftp/chris/DSC00125.JPG
ftp://ftp.tampabayip.com/tampabayip-anonftp/chris/DSC00126.JPG
Click on the links to view the pictures
ftp://ftp.tampabayip.com/tampabayip-anonftp/chris/DSC00125.JPG
ftp://ftp.tampabayip.com/tampabayip-anonftp/chris/DSC00126.JPG