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application:
pre-filtration of ventilation pipe, air-condition and air compressor,etc.
features:
outer frame: high humidity resistance type waterproof board;
filter material: chemical fiber (pla / purified cotton) non-woven filter material;welding steel wire net, surface rust prevention.
filter efficiency: g3 (efficiency ≥90% @ φ≥5µm);
operating temperature: ≤70℃;
relative humidity: ≤ 80% rh;
suggestion finally resistance: ≤ 150 pa ;