NATIONAL GUARD Automatic Door Bottom: Single Fin Insert, Aluminum, 48 in Lg, 1 1/2 in Wd
The NATIONAL GUARD Automatic Door Bottom, Single Fin Insert (MPN 335N-48), is an aluminum door bottom in black, measuring 48 inches in length and 1 1/2 inches in width. This product is designed to seal the gap under…
SKU 3G-OTH-515136
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Product Description
The NATIONAL GUARD Automatic Door Bottom, Single Fin Insert (MPN 335N-48), is an aluminum door bottom in black, measuring 48 inches in length and 1 1/2 inches in width. This product is designed to seal the gap under 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 335N-48 automatic door bottom used for?
The NATIONAL GUARD 335N-48 automatic door bottom 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 aluminum single-fin insert model in black, 48 inches long and 1 1/2 inches wide.
What are the specifications of the NATIONAL GUARD 335N-48 automatic door bottom?
The NATIONAL GUARD 335N-48 automatic door bottom is made of aluminum with a black finish. It measures 48 inches in length and 1 1/2 inches in width. The single-fin insert design provides a durable seal for standard door gaps. This model is manufactured by NATIONAL GUARD under part number 335N-48.
Where to buy the NATIONAL GUARD 335N-48 automatic door bottom worldwide?
3G Electric supplies the NATIONAL GUARD 335N-48 automatic door bottom to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this aluminum door bottom in black, 48 inches long and 1 1/2 inches wide.
How to install the NATIONAL GUARD 335N-48 automatic door bottom?
Install the NATIONAL GUARD 335N-48 automatic door bottom by cutting it to exact door width, then fastening it to the bottom edge using screws. Ensure the fin insert contacts the threshold evenly for a proper seal against drafts and sound. Always follow the manufacturer's instructions for best results.
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.









