M-D Building Products 1.38 in. H X 4.56 in. W X 36 in. L Satin Nickel Aluminum Thermal Break Thresho

This MD Building Products 3 ft. x 4-9/16 in. x 1-3/8 in. Satin Nickel Aluminum Adjustable Thermal Break Threshold helps seal gaps under your door between 1-3/8 in. – 1-5/8 in. to help make your home more energy efficient for your convenience. • Premium adjustable threshold with satin nickel finish • No rot no warp composite design; easy to install and adjust • Seals gaps from 1-3/8 inches to 1-5/8 inches high • •