DuraVent DuraVent 7" Inner Diameter - DuraTech Class A Chimney Pipe - Double Wall - 16" Square Trim Collar for Round Support Box

DuraTech Collection 7"-8" Class A Chimney Pipe Square Trim Collar for Round Support BoxWarranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. The DuraTech 7"-8" Class A Chimney Pipe Square Trim Collar for Round Support Box conceals the gap between the Round Ceiling Support Box and the ceiling cutout. Trim collar is painted black.Features:Inner Diameter: 11-1/8"Dimensions: 16" x 16"Trim Collar Thickness: 1/2"With a Thermal...