With any surround treatment, there are parts: the Headers, Sills and Surrounds.

Beacon Hill 5.5 inch Header Returns - PDF File
Beacon Hill 5.5 inch Header Straight - PDF File

Florenza 3.5 inch Header Returns - PDF File
Florenza 3.5 inch Header Straight - PDF File
Florenza 4 inch Header Returns - PDF File
Florenza 4 inch Header Straight - PDF File
Florenza 8 inch Header Returns - PDF File
Florenza 8 inch Header Straight - PDF File

Gibbs 6 inch Header Returns - PDF File
Gibbs 6 inch Header Straight - PDF File

Hayden 13 inch Header Returns L & R - PDF File
Hayden 13 inch Header Straight - PDF File

Inverness 9.5 inch Header Returns L & R - PDF File
Inverness 9.5 inch Header Straight - PDF File

Jan 12 inch Header Returns L & R - PDF File
Jan 12 inch Header Straight - PDF File