METAL-FAB 10″x18″ B-Vent Gas Pipe MFG# 10M18 HVAC Round Vent Duct Double Wall

Overview

METAL-FAB Type B 10″x18″ Gas Vent Pipe – MFG# 10M18 – Double Wall, Twist-Lock HVAC DuctThis 10M18 10″x18″ round B-Vent pipe by METAL-FAB is engineered for venting Category I gas-burning appliances, including propane and natural gas systems. Its robust double-wall construction with an aluminum inner liner and galvanized steel outer jacket ensures long-lasting durability and heat resistance in residential and commercial HVAC systems.The SureLock™ locking system enables a secure connection with just a push and twist—no additional fasteners required. This 10-inch diameter vent is UL-listed and rated for 1″ minimum clearance to combustibles, making it code-compliant and ideal for professional installations.Use it with:Rego shut-off valvesDraft hoods and capsOther METAL-FAB B-Vent elbows, tees, and adaptersWhether you’re updating an LP heater vent or completing a new HVAC system, this pipe is a go-to standard for gas appliance venting.

Product details

Package includes

• METAL-FAB 10"x18" B-Vent Gas Pipe MFG# 10M18 HVAC Round Vent Duct Double Wall

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.