3" DuraFlex Vertical Cap - 3DFS-VC

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Use to terminate a relining system at the top of the masonry chimney. Supports flex with a fast connect band. Optional Spark Arrestor available. Not for use with Ventinox flex.

Installation Instructions


Chimney Relining Best Practices

Chimney Relining For Gas Appliances

Click here for Home Safety when relining chimneys for gas appliances.


Weight (lbs) 9.00
Brand DuraFlex AL, DuraVent,
Model 3DFS-VC
Diameter 3 Inch
Wall Construction Single Wall
Manufacturer Limited Lifetime Warranty