Master Flow 12 in. x 6 in. to 6 in. Universal Register Box with Flange RBF12X6X6

The Master Flow 12 in. x 6 in. x 6 in. Universal Register Box with Flange is made of galvanized steel. It creates a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grille. The built-in flange helps to create a more secure installation by providing an area for register screws， Sheetrock frame or nails for joists. The flange creates the ability to install the box before dry walling.

30-Gauge， galvanized steel

Creates a straight (in-line) transition from 6 in. round pipe or insulated flexible duct to a 12 in. x 6 in. air register or grille

Built-in flange helps to create a more secure installation by providing an area for register screws， sheetrock frame or nails for joists

Flange creates the ability to install the box before dry walling

Maximum temperature rating of 390 degree F， minimum temperature rating of 100 degree F