USED DuraVent FSELB9004 4″ Inner Diameter – FasNSeal AL29-4C Special – Stainless
Use to go from horizontal to vertical runs or vertical to horizontal runs. Use to turn vent 90°. This construction feature allows for ease of installation.
Use to go from horizontal to vertical runs or vertical to horizontal runs. Use to turn vent 90°. This construction feature allows for ease of installation.