Metal-Fab SureLock 3M12A Galvanized Aluminum Round B-Vent Adjustable Pipe, 3 x 12 Inch

• Elimination of sharp edges by hemming the flue and casing
• Assembly and disassembly without tools, using positive twist lock
• 360 deg rotation of small diameter fittings using swivel tees, wyes and elbows
• Space savings inside standard stud walls using oval pipe

All products are designed and manufactured for use within forced air systems, providing effective distribution of conditioned air from the air handler to every room of a residence.Metal duct and fittings are constructed from hot-dipped Galvanized steel. All metal products are made true to gauge. Sheet metal duct, pipe, and fittings are designed with industry and regional standards in mind, as well as ACCA and SMACNA recommendations and requirements. Products are hand-crafted to reduce noise and friction and constructed to maximize efficiency by increasing airflow without leaks. The quality of our Galvanized steel allows us to create fittings that are rust-resistant and durable

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