Automatic Door Bottom, Housing Material Aluminum, Features Fits Wood Fire Door Mortise Restrictions, Flame-Resistant, Ozone-Resistant, Moisture-Resistant, Use with A Threshold for Maximum Sealing Capability, Abrasion-Resistant Use the NGP automatic door bottom with a 5/8" x 1-9/16" mortise (required). Use with a door threshold or saddle (sold separately) for maximum sealing capability. ⢠Aluminum with mill finish ⢠Neoprene insert is black ⢠Fits doors up to 48" (may be cut in field) ⢠Includes hardware.
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