Fulton 3f-72 4" To 10" Fireplace Stove Pipe Flue Hole Cover / Stopper Fireplace Flue Cover Model 3F-72 Brand New Regular Size Embossed And Decorated Of First Class Material; Enamel Coated Front And Back. Clamps Of Spring Wire Constructed So They Will Never Lose Their Strength. Springs Will Adjust Themselves To Fit Either Smooth Or Irregfular Flue Hole. Colored Finish The Plate Color Is Somewhat Darker Then What The Picture Shows Flu Hole 4 To 10" Diameter 9-5/8""