Airtec Plastic 6x6 Multi Size Register Box. 4in.,5in.,6in. collar (9x9 Flange), #81966

TuffBox is a heavy, 1-piece durable polymer shell. The virtually air-tight molded design delivers 100% of airflow. Using an innovative stepped design supporting 3 duct sizes, collars are 1" & beaded to hold flexible duct in place while securing strap.

MPN: 81966

Features

• Stepped Collar for multiple duct sizes
• To be used on a 6"x6" square duct to convert to round.
• Collar tabs easily tear away unneeded sections - allow on-site adjustment &labor savings
• " standoffs provide correct depth to accommodate strapping/furring used with drywall.
• The 9"x9" flange is flexible to conform to drywall backing, virtually eliminating leakage between grille and box.
• Downloads:
• Airtec Cutaway View
• Airtec Spec Sheet
• Airtec Key Features & Benefits
• Airtec Airflow
• Airtec install instructions
• Airtec 16 page brochure