DuraVent DuraPlus 2443292 Series 6DP-CS11 Square Ceiling Support Box, Black, Painted

DuraVent DuraPlus 2443292 Series Square Ceiling Support Box, Specifications: 6 in Size, Black, Painted, Dimensions: 18-1/4 in L x 18-1/4 in W x 11 in H, Suitable for: DuraPlus All Fuel Chimney and Flat/Vaulted/Cathedral Ceiling, Includes: Trim

Features:

• Refer to ceiling pitch table to determine size of support box needed
• Supports up to 35 ft of DuraPlus chimney
• Starter section built-in