Galvanized Steel Ceiling Support Box and Trim Collar 6 Inch. Class A Vent Pipe Support Box.
Supports up to 40' of DuraPlus. Includes a twist-lock starter section and is 24" tall, with a 1-1/2" trim piece. Framing requirements are 14-1/2" x 14-1/2". Assembled Product Weight: 13.74 lb.
Assembled Product Dimensions (L x W x H): 14.25 x 14.25 x 24.00 Inches.