Superior Fireplaces 4.5/7.5 Rigid Vent System - Small, Square Termination, 20" with Shield - H5817 - SV4.5-20SSWSK
(4 1/2 Inch Inner Diameter and 7 1/2 Inch Outer Diameter - Not for use on all models, refer to appliance installation manual)
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California residents please click on the link for information on Proposition 65 BEFORE purchasing.
Manufacturer:
Superior Fireplaces