Straight Ceiling Box with Flange, 8 x 14 in Opening, 10 in Duct
Straight Ceiling Box with Flange, 4 x 10 in Opening, 4 in Duct
Straight Ceiling Box with Flange, 4 x 10 in Opening, 5 in Duct
Straight Ceiling Box with Flange, 6 x 12 in Opening, 7 in Duct, 3 More...
90 Degree Ceiling Box with Flange, 6 x 10 in Opening, 4 in Duct, More...
Straight Ceiling Box with Flange, 6 x 10 in Opening, 6 in Duct, 3 More...
Straight Ceiling Box with Flange, 6 x 14 in Opening, 8 in Duct, 3 More...
90 Degree Ceiling Box with Flange, 6 x 12 in Opening, 7 in Duct, More...
90 Degree Ceiling Box with Flange, 6 x 14 in Opening, 8 in Duct, More...
Straight Ceiling Box with Flange, 6 x 12 in Opening, 8 in Duct
Straight Ceiling Box with Flange, 6 x 10 in Opening, 4 in Duct
90 Degree Ceiling Box with Flange, 4 x 10 in Opening, 4 in Duct, More...