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NATIONAL GUARD Automatic Door Bottom - Automatic Door Bottoms
NATIONAL GUARDAutomatic Door Bottoms

NATIONAL GUARD Automatic Door Bottom

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…

SKU 3G-OTH-515152

Also listed as: 220NA4 · 220NA 4

Brand
NATIONAL GUARD
Item
Automatic Door Bottom
Part Number
220NA-4
Category
Automatic Door Bottoms
Available to Order
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

NATIONAL GUARD
Manufacturer Part Number
220NA-4
Type
Aluminum, Aluminum
Lg
48 in
Wd
2 1/4 in

Technical Documents

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NATIONAL GUARD Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

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.

Frequently Asked Questions

What is the NATIONAL GUARD Automatic Door Bottom used for?

The NATIONAL GUARD Automatic Door Bottom (220NA-4) seals the gap under a door to block drafts, light, and sound. It is commonly used in commercial and industrial facilities to improve energy efficiency and indoor comfort. 3G Electric supplies this genuine item as part of our broad industrial offering across 14 departments.

What are the specifications of the NATIONAL GUARD 220NA-4?

The NATIONAL GUARD Automatic Door Bottom (MPN 220NA-4) is a single fin insert model made of aluminum. It measures 48 inches in length and 2 1/4 inches in width. This product is designed for standard door applications requiring a durable, corrosion-resistant seal.

Where to buy the NATIONAL GUARD Automatic Door Bottom worldwide?

3G Electric supplies the genuine NATIONAL GUARD Automatic Door Bottom (220NA-4) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source this item alongside thousands of other industrial parts across 14 departments.

How to install the NATIONAL GUARD Automatic Door Bottom?

Install the NATIONAL GUARD Automatic Door Bottom by cutting it to the door width, then screwing it to the bottom edge so the fin contacts the threshold. Ensure the door closes smoothly without binding. For best results, follow the manufacturer's generic installation guidelines for automatic door bottoms.

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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.

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This automatic door bottom seals the gap under a door to block drafts, light, and sound. It is commonly installed in commercial and industrial facilities to improve energy efficiency and room privacy. Constructed of aluminum with a single fin insert, it measures 36 inches in length and 1 3/8 inches in width
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This automatic door bottom seals the gap under a door to block drafts, light, and sound. It is commonly installed in commercial and industrial facilities to improve energy efficiency and room privacy. Constructed of aluminum with a single fin insert, it measures 36 inches in length and 1 3/8 inches in width

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