NATIONAL GUARD Automatic Door Bottom: Single Fin Insert, Aluminum, 36 in Lg, 2 1/4 in Wd
The NATIONAL GUARD Automatic Door Bottom (Single Fin Insert, MPN 220NA-3) is an aluminum door bottom measuring 36 inches in length and 2 1/4 inches in width. This product is designed to seal the gap under a door, and…
SKU 3G-OTH-515147
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Product Description
The NATIONAL GUARD Automatic Door Bottom (Single Fin Insert, MPN 220NA-3) is an aluminum door bottom measuring 36 inches in length and 2 1/4 inches in width. This product is designed to seal the gap under a door, and 3G Electric can source it across 14 industrial departments, with specialist expertise in combustion, pumps, and controls.
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 220NA-3 used for?
The NATIONAL GUARD 220NA-3 automatic door bottom 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 across 14 industrial departments, with specialist expertise in combustion, pumps, and controls.
What are the specifications of the NATIONAL GUARD 220NA-3?
The NATIONAL GUARD 220NA-3 automatic door bottom has a single fin insert, measures 36 inches in length and 2 1/4 inches in width, and is made of aluminum. The manufacturer part number is 220NA-3. 3G Electric can source this product for worldwide delivery.
Where to buy the NATIONAL GUARD 220NA-3 worldwide?
3G Electric supplies the NATIONAL GUARD 220NA-3 automatic door bottom to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this aluminum door bottom.
How to install the NATIONAL GUARD automatic door bottom?
Install the NATIONAL GUARD 220NA-3 by cutting it to door width, then mounting it to the bottom edge with screws. Ensure the fin contacts the threshold evenly for a proper seal. 3G Electric provides sourcing support across 14 industrial departments, including specialist expertise in combustion, pumps, and controls.
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.









