|Brand||Master Flow||Master Flow||Master Flow||Master Flow|
|Name||6 in. Starting Collar Take Off - Snap Together||8 in. Starting Collar Take Off||12 in. Starting Collar Take Off||14 in. Starting Collar Take Off - Snap Together|
|View Product||View Product||View Product||View Product|
In case you want to install a damper.
Dear Master: thank you for your inquiry on Home Depot. Home Depot does sell the 7 inch Master Flow collar. Please click on the following link to view this item: http://www.homedepot.com/s/7%2520inch%2520master%2520flow%2520starting%2520collar?NCNI-5 We hope this information is helpful. Thank you for shopping with Home Depot.
There is a tab and slot to complete the collar diameter. you will be able to see it in the picture. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.