National Guard 3G-OTH-515152 — Technical Specifications

The NATIONAL GUARD Automatic Door Bottom (Single Fin Insert, MPN 220NA-4) is an aluminum door bottom measuring 48 inches in length and 2 1/4 inches in width. This product is designed to seal the gap under a door, helping to block drafts, light, and sound. 3G Electric sources this genuine NATIONAL GUARD item as part of our broad industrial supply across 14 departments, with specialist expertise in combustion, pumps, and controls.