Emmed Non-Powered Negative Pressure Integrated Air Inlet Fresh Air System
High-efficiency ventilation with advanced negative pressure technology ensures continuous airflow without electricity. Durable ABS construction with precision-engineered components for silent, maintenance-free operation. Seamless wall-mount design blends into modern interiors while optimizing space in high-wall rooms. Ideal for residential, office, or commercial spaces requiring passive ventilation and odor control. Direct-from-factory pricing for bulk orders—global wholesale supplier with unmatched cost efficiency.