Product HighlightsThis aluminum increaser from the round gas vent series is a Type B gas component that consists of the duralock system for a tight seal and is used to increase vent diameter.
California residents: see Proposition 65 Warning
Weight 7.00 Pounds Length 5.50 Inches Width 5.50 Inches Height 4.38 Inches Country of Origin USA Brand DuraVent Diameter 4" Composition Aluminum Connection Size 4" to 5" For Use With Use To Increase Vent Diameter. Gauge 28 GA Inside Diameter 4"; 5" Material Aluminum Type Pipe Class B UL Listed Yes UL Recognized Yes
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