Shengshida 100mm 4-Inch Frequency Conversion Pipeline Fan

Ultra-Quiet DC Motor
– Advanced frequency conversion technology ensures whisper-quiet operation (below 25dB), perfect for home and office environments requiring minimal noise disruption.
Energy-Efficient Performance
– Variable speed control optimizes airflow while reducing power consumption by up to 40% compared to traditional AC fans, ideal for 24/7 ventilation systems.
Durable ABS Construction
– High-grade flame-retardant ABS housing resists corrosion and deformation, ensuring long-term reliability in humid or high-temperature conditions.
Tool-Free Installation
– Pre-installed rubber dampeners and snap-on design allow quick, vibration-free mounting in ducts, ceilings, or walls without specialized tools.
Multi-Scenario Versatility
– Designed for fresh air systems, bathroom exhaust, kitchen ventilation, and HVAC auxiliary airflow, compatible with 4-inch (100mm) standard pipelines.
Smart Nolarm Adjustment
– Auto-adjusts airflow based on environmental changes, eliminating manual tuning while maintaining consistent pressure.
Dual-Ball Bearing Design
– Ensures smooth, maintenance-free operation for over 50,000 hours, outperforming sleeve-bearing competitors.
Certified Safety
– CE/RoHS compliant with overheat protection, suitable for EU/US markets. (Note: Bulk discounts available for wholesale orders.)