The DuraVent DuraPlus Flat Ceiling Support Box provides essential structural support for chimney pipe installations through flat ceilings. Featuring a built-in twist-lock connection, it creates a secure, positive link between the support box and chimney pipe, supporting up to 35 feet of DuraPlus chimney pipe.

• Designed for flat ceiling installations with DuraPlus chimney pipe
• Supports up to 35 ft of DuraPlus chimney pipe
• Built-in twist-lock for a secure, positive connection
• 2" wide trim collar included for a clean finished appearance
• Compatible with DuraBlack support box
• For 6" vent pipe
• Dimensions: A = 6-1/4", B = 14-1/4"

FOR CALIFORNIA SHOPPERS

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• ⚠  WARNING: THIS PRODUCT CAN EXPOSE YOU TO CHEMICALS INCLUDING CHROMIUM WHICH ARE KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM.