Center End Boot

Use in floors, walls, or ceiling for connection of square or rectangle register or grill to round pipe. Equivalent length supply or return 50'.
Sizes 8" x 4" x 4" - 6"; available 12 per box.
Sizes 10" x 2" x 4" - 7", 10" x 4" x 4" - 8", 10" x 6" x 5" - 8"; available 12 per box.
Sizes 12" x 2" x 5" - 8", 12" x 4" x 5" - 8", 12" x 6" x 6" - 8"; available 12 per box.
Sizes 14" x 2" x 6" - 8", 14" x 4" x 6" - 8", 14" x 6" x 6" - 8"; available 12 per box.
Size 14" x 8" x 8"; available 10 per box