$5.30 $10.61 MFG Part Number: AB6S Add to Wishlist Add to Cart View Details Miami Tech Duct Board Collar, 6" w/Scoop & Damper
$6.07 $12.14 MFG Part Number: AB8S Add to Wishlist Add to Cart View Details Miami Tech Duct Board Collar, 8" w/Scoop & Damper
$7.12 $14.25 MFG Part Number: AB10S Add to Wishlist Add to Cart View Details Miami Tech Duct Board Collar, 10" w/Scoop & Damper