एच प्रकार लौ धूल धातु चैनल पट्टी ब्रश एल्यूमीनियम धारक दरवाजे नीचे सील

Video Description:
Discover the H Type Flame Dust Metal Channel Strip Brushes with Aluminum Holder, designed for superior door bottom sealing. This product reduces air infiltration by 40%, offers 98.5% effectiveness, and withstands extreme temperatures. Perfect for residential and commercial buildings, it keeps out rain, snow, wind, and pests.
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