Activated carbon filter 
 Uses: pre-filtering air-conditioning systems, low concentrations of organic pollutants and eliminate odors with powerful effect, improve indoor air quality. 
 Filter media: activated carbon composite, with both dust and deodorizing; 
 Features: surface adsorption capacity, according to the needs of a variety of filter media options, and user-replaceable filter; 

 Model size amount of initial resistance rated air filter area of ??the final resistance 
 Height Width Depth 
 C-G4 287 592 46 1800 70 250 0.34 
 592 59,246,360,070,250 0.70 
 287 59,296,180,045,250 0.6 
 592 59,296,360,045,250 1.3