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Losen ductless ceiling type Energy Recovery Ventilation unit

High air volume with Low noise by BLDC Motor !

Comb Constant Air Volume Inline Ventilation Fan

Simple and Convenient Install Method.
Low noise of buried ceiling type !

Riel Constant Air Volume Ventilation Fan

Grill based on aerodynamic acoustics in
diamond shape designed to keep low-Noise

Weaver Medium static pressure Ventilation Fan

6mm slim Grill design ,
Emotional LED power lamp


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Transparent management & Prospect, Passion & Young Business, TIZEN.Inc. The Specific company in the Ventilation industry