Master Flow Heavy Gauge Pipe is used to vent boilers， furnaces and hot water heaters. Master Flow metal pipe is available in a variety of common lengths， diameters and gauges to help make your next HVAC project a success. A simple snap lock design and sturdy galvanized steel construction combine for a quick and secure installation that you can rely on.
Easy-to-install snap lock design
Crimped end with a stop-bead for a secure interlocking fit
Sturdy 26 gauge， galvanized steel construction
Always seal seams with building code approved sealant or duct tape
Always insulate ductwork for greater system efficiency and comfort
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