M-D 3-ft x 2-3/4-in White Cinch Door Sweep Aluminum/Vinyl Door Weatherstrip

Seals against the side of the threshold. Seals gaps up to 1-in. 3M Adhesive makes installation easy; simply measure, trim, peel and stick. All season protection against drafts, moisture, dust and insects. Fits a door up to 36-in wide. Trim to fit with a hacksaw. Multiple vinyl fins for better sealing.