.187 T-Slot Backing, .450 Foam Filled Offset Bulb Weather Stripping

Amesbury T-Back, Foam Filled Bulb Weather Stripping This Weather Seal is used primarily on the bottom sash on vinyl Double Hung windowsSlides into a T-shape slot in the vinyl profileProduct Type: Foam Filled, Slide in Backing Type: T-ShapeBacking Width: .187 (4.76mm) 3/16 inch Bulb Diameter:  .450 (11.43mm)  29/64 inchColor: Bronze or Black Length: Sold by the Foot, maximum 500-foot roll