NATIONAL GUARD Automatic Door Bottom: Looped Insert, Aluminum, 48 in Lg, 2 15/16 in Wd
The NATIONAL GUARD Automatic Door Bottom with Looped Insert (MPN 520NDKB-48) is an aluminum, black door bottom measuring 48 inches in length and 2 15/16 inches in width. 3G Electric interprets customer demand and…
SKU 3G-OTH-515150
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Product Description
The NATIONAL GUARD Automatic Door Bottom with Looped Insert (MPN 520NDKB-48) is an aluminum, black door bottom measuring 48 inches in length and 2 15/16 inches in width. 3G Electric interprets customer demand and delivers this genuine industrial product across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.
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 520NDKB-48 used for?
The NATIONAL GUARD Automatic Door Bottom with Looped Insert seals the gap under a door to block drafts, light, and sound. It is commonly used in commercial and industrial facilities for energy efficiency and privacy. 3G Electric supplies this genuine product worldwide.
What are the specifications of the NATIONAL GUARD 520NDKB-48?
The NATIONAL GUARD Automatic Door Bottom (MPN 520NDKB-48) is made of aluminum with a black finish. It measures 48 inches in length and 2 15/16 inches in width. The looped insert design provides a durable seal. 3G Electric sources this genuine NATIONAL GUARD product for global delivery.
Where to buy the NATIONAL GUARD Automatic Door Bottom 520NDKB-48 worldwide?
3G Electric supplies the genuine NATIONAL GUARD Automatic Door Bottom 520NDKB-48 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us to order this aluminum door bottom with looped insert for your industrial or commercial application.
How to install the NATIONAL GUARD Automatic Door Bottom 520NDKB-48?
Install the NATIONAL GUARD Automatic Door Bottom by cutting it to the exact door width, then screwing it to the bottom edge so the looped insert contacts the floor. Ensure the door closes fully for a proper seal. 3G Electric provides this genuine product and can advise on general installation best practices.
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.









