M-D Building Products 47000 M-D Door Bottom, 36 in L X 1-3/4 in W X 1/2 in H, PVC, quot, Brown Fits 1-3/4-Inch thick by 36-Inch wide doors Seals up to 7/16-Inch gap between bottom of door and threshold Durable brown vinyl construction Vinyl seal provides All-season protection against drafts, moisture, dust and insects Easy to install