Master Flow 8 in. x 8 in. to 6 in. Ceiling Register Box

Master flow CRB8X8X6 8 in. x 8 in. to 6 in. Ceiling Register Box

8 In. X 8 In. to 6 In. Ceiling Register Box

Master Flow 6 in. x 6 in. to 6 in. Ceiling Register Box

Master Flow 8 in. x 8 in. to 6 in. Ceiling Register Box Galvanized Steel 1-Pack

10 In. X 10 In. to 8 In. Ceiling Register Box

8 In. X 4 In. to 6 In. Register Box with Flange

Master Flow 10 in. x 10 in. to 8 in. Ceiling Register Box