M-D Building Prod 1-3/8 in. x 36 in. Black Door Bottom Insert

The M-D Building Prod 1-3/8 in. x 36 in. Black Door Bottom Insert is designed to increase the longevity and efficiency of existing door sweeps. Constructed from durable vinyl, this replacement insert helps maintain an effective barrier against drafts, moisture, dust, and insects under exterior entryways. Engineered for compatibility with both L-shaped and U-shaped door bottom models, this insert provides an easy and cost-effective maintenance solution to keep residential or commercial doors properly sealed throughout the year.