Product Features: no partition folded filter, filter materials using ultra-fine glass fiber filter, low resistance, air volume, small footprint, compact, low investment costs, easy installation and maintenance simple; equipped with high-quality surface wind electrophoretic light aluminum mesh or stainless steel mesh, nice; product-by-station leak and scan test frame material: high quality galvanized steel, anodized aluminum or stainless steel timber made of fireproof insulation posted outside the media: the use of ultra-fine glass fiber filter efficiency: 99.99%, 99.999% (DEHS counting method) Usage: terminal for high-clean plant and clean air filter decency to effectively ensure that the airflow velocity and prevent eddy