BRain Cap 6 for round single wall flue winside diameter = 6 Inches,stainless chimney cap ReviewbP PP Rain Cap 6 for round single wall flue winside diameter = 6 Inches,stainless chimney cap Pbolt on construction for easy cleaningPpreinstalled free spark arrestorPsloped top does not promote snow accumulationPdesigned for any kind of fuelPquick easy installation does not require siliconP