NATIONAL GUARD Automatic Door Bottom: Single Fin Insert, Aluminum, 48 in Lg, 2 1/4 in Wd
The NATIONAL GUARD Automatic Door Bottom is a single-fin insert model (MPN 220NDKB-4) constructed from aluminum, measuring 48 inches in length and 2 1/4 inches in width. This product is designed to seal the gap…
SKU 3G-OTH-515137
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Product Description
The NATIONAL GUARD Automatic Door Bottom is a single-fin insert model (MPN 220NDKB-4) constructed from aluminum, measuring 48 inches in length and 2 1/4 inches in width. This product is designed to seal the gap beneath a door, helping to block drafts, light, and sound.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the NATIONAL GUARD Automatic Door Bottom used for?
The NATIONAL GUARD Automatic Door Bottom seals the gap under a door to block drafts, light, and sound. It is commonly installed on commercial or industrial doors to improve energy efficiency and indoor comfort. The single-fin insert design provides a durable, low-maintenance seal for high-traffic openings.
What are the specifications of the NATIONAL GUARD 220NDKB-4?
The NATIONAL GUARD 220NDKB-4 Automatic Door Bottom is made of aluminum, measures 48 inches in length and 2 1/4 inches in width, and features a single-fin insert. It is designed for standard door widths and provides a reliable seal against air and noise infiltration.
Where to buy the NATIONAL GUARD Automatic Door Bottom worldwide?
3G Electric supplies the NATIONAL GUARD Automatic Door Bottom worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this model.
How to install a NATIONAL GUARD Automatic Door Bottom?
Install the NATIONAL GUARD Automatic Door Bottom by cutting it to door width, then fastening it to the bottom edge using screws. Ensure the fin contacts the threshold evenly when the door is closed. Follow standard door-bottom installation practices for best sealing performance.
NATIONAL GUARD Products
3G Electric supplies NATIONAL GUARD automatic door bottoms. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
