For over 80 years, Selkirk has been the leading manufacturer of chimney, venting and air distribution products.time-tested commercial and industrial installations throughout North America and globally. Supervent (JSC) is designed for all-fuel applications - with a stainless steel outer casing. Sold through professional installer markets. Universal rain cap for double wall chimney pipe Can be used as a replacement for most any double wall chimney top which are damaged by frequently by wind, hail or chimney sweeps Keep debris from entering Lifetime limited warranty Color/Finish Family: Stainless steel Type: Single-flue Inside Length (Inches): 5 Inside Width (Inches): 6 Length (Inches): 5.5 Width (Inches): 12 Adjustable: No Attachment End Shape: Round Attachment Method: Slip-in Construction: Double wall Material: Stainless steel Shape: Round Warranty: Limited lifetime CA Residents: Prop 65 Warning(s): No UNSPSC: 40101800