M-D BUILDING PRODUCTS,M-D Building Products 25756 M-D Replacement Threshold Insert, 36 in L X 2 in W, Vinyl, Black,M-D Building Products,25756" /> Fits door bottoms up to 36-Inch wide Replaces worn out vinyl inserts Fits M-D L-shaped and U-shaped door bottoms All season protection against drafts, moisture, dust and insects Easy to install