
 DirectVent Pro Vent PipeDuravent DirectVent Pro Vent Pipe is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces. |  |  |  | | | |  | 
 Type B Vent Pipe for B Vent ApplicationsType B Gas Vent system is for use with category I and draft hood equipped gas appliances, and appliances tested and listed to use Type B Gas Vent for a wide range of applications, including: natural gas fireplaces, gasfired furnaces, boilers, water heaters, and wall or space heating applications. |  |  |  | | | |  | |
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