M-d Aluminum Door Threshold, 3-3/4 In. X 36 In.

This heavy-duty M-D aluminum door threshold helps seal out drafts, dust and moisture at the bottom of an exterior door.

• Heavy extruded aluminum construction, 36 in. long x 3-3/4 in. wide
• Replaceable vinyl insert seals against the door bottom
• Vinyl caulking feet seal the underside of the threshold to the floor
• 3/4 in. tall with insert installed, 1/2 in. tall without it