M-D 1-1/2″ x 3/4″ x 36″ Gray Vinyl Replacement Insert for Heavy Duty Thresholds is designed to replace old and worn-out inserts on your existing threshold with ease. Made from durable vinyl, this replacement insert provides an effective seal that helps protect your home from drafts, moisture, dust, and insects. For a smooth installation, it is recommended to use a soap and water solution to assist in fitting the insert properly. This product combines durability and functionality to maintain the integrity of your threshold and improve energy efficiency in your home.Model Number: 43824