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Introduction to air conditioning filters Introduction: at present, there is a new product in the market,Filter.Everyone should have seen it,Some people are already using it.The main function of the air-conditioning filter is to filter the air-conditioning and ventilation system,Air conditioning purification,Many companies,The best choice for school room,This kind of machine is affordable and harmless.Widely used.Small investment in air conditioning filters,Big role,Its outer borders are all made of cardboard,This saves both costs,And effectively improve the role of filtering,Fiber felt,Fold them all in layers into the filter,In order to purify the air conditioner, it has played a role beyond itself,Behind the whole air conditioner filter is made of metal mesh,Played a role in supporting the entire air conditioning filter,Make the air conditioner filter more durable.The cost of such air-conditioning filters is low,Easy to use,Suitable for all kinds of air conditioning.The current air-conditioning filt