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application:
pre-filtration of ventilation pipe, air-condition and air compressor,etc.
features:
outer frame: aluminium ally;
filter material: chemical fiber (pla / purified cotton) non-woven filter material;
welding steel wire net, surface rust prevention.
filter efficiency: g3 ( 90%>efficiency≥80% @ φ≥5µm)
g4 (efficiency ≥ 90% @ φ≥5µm);
operating temperature: ≤90℃;
operating humidity: ≤ 90% rh;
suggestion finally resistance: ≤ 150 pa ;