Premium 4-Inch Bathroom Extractor Fan with Smart Overrun Timer Exhaust fan factory

Engineered by Seicoi, a leading bathroom fan manufacturer established in 2010. We provide high-quality ventilation solutions for global B2B buyers, backed by 14+ years of R&D experience and 80+ patents.

  • 🏭 3000+m² Company Area.

  • 🔬 14+ Years R&D Experience.

  • 🏆 80+ Global Patents.

  • 📜 Certified Quality: CE-EMC, CE-LVD, SAA, UKCA, ROHS, REACH.

Water proof - IP44、energy saving motor、100% copper ,ball bearing motor.

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