NATIONAL GUARD Automatic Door Bottom: Single Fin Insert, Aluminum, 48 in Lg, 1 3/4 in Wd
The NATIONAL GUARD Automatic Door Bottom (Single Fin Insert, MPN 225N-48) is a 48-inch long, 1 3/4-inch wide aluminum door bottom in black. 3G Electric interprets your demand for this genuine NATIONAL GUARD product…
SKU 3G-OTH-515160
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Product Description
The NATIONAL GUARD Automatic Door Bottom (Single Fin Insert, MPN 225N-48) is a 48-inch long, 1 3/4-inch wide aluminum door bottom in black. 3G Electric interprets your demand for this genuine NATIONAL GUARD product, sourcing it across our 14 industrial departments and providing specialist support to ensure the right solution for your facility.
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 225N-48 used for?
The NATIONAL GUARD 225N-48 automatic door bottom seals the gap under a door to block light, sound, smoke, and drafts. It is commonly installed in commercial and industrial facilities to improve energy efficiency and meet fire or acoustic ratings. 3G Electric supplies this genuine NATIONAL GUARD product worldwide.
What are the specifications of the NATIONAL GUARD 225N-48 door bottom?
The NATIONAL GUARD 225N-48 is a single-fin insert automatic door bottom. It measures 48 inches long by 1 3/4 inches wide, is made of aluminum with a black finish, and carries manufacturer part number 225N-48. 3G Electric sources this genuine NATIONAL GUARD product across 14 industrial departments.
Where to buy the NATIONAL GUARD 225N-48 automatic door bottom worldwide?
3G Electric supplies the genuine NATIONAL GUARD 225N-48 automatic door bottom to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us to order this aluminum, black door bottom with a 48-inch length and 1 3/4-inch width.
How to install the NATIONAL GUARD 225N-48 automatic door bottom?
Install the NATIONAL GUARD 225N-48 by cutting it to exact door width, then mounting it to the door bottom using the provided screws. Ensure the fin contacts the threshold evenly when the door closes. 3G Electric provides specialist support to help you select and apply the correct door bottom for your facility.
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.









