National Standards for Air Filtration Grade Division United States Efficiency SpecificationSpecificationParticle Efficiency(%)Arrestance(%)TESTArrestanceThe End Resistance(Pa)Final Resist0.3～1.0μm1.0～3.0μm3.0～10.0μmMERV1E3<20Aavg＜6575E1 is 0.30-0.40,0.40-0.55,

PRE-FILTERThe FRONT FILTER IS THE latest development is MICron mesh filter, his mesh area is smaller than the general, in addition to adsorption of small dust particles, but also effective removal of hair. Surface purification after the treatment of fluxol, the dust attached to the surface of the fi

Air purifier filter is need regular cleaning and maintenance, so how long is the air cleaner filter needs Change the time?At present the national haze weather is increasing, especially in first-tier cities, with Beijing as an example, a year 3-5 months time is under fog, so the air purifier has beco

Medium effect air filters can be used as intermediate filters for intake and exhaust devices, and are often used for return air filtration. It is usually divided into two forms: bag-type medium effect filter (windward surface is large, so the amount of empty dust is large) and plate medium effect

The primary filter is a product installed at the front end of the high-efficiency filter to protect the high-efficiency filter, block some large particles, and prevent the high-efficiency filter from prematurely saturated.It has various forms and can be made into the individual filter.It also can be

As we all know air pollution is very serious, that is the main reason, more and more people choose HEPA filter.HEPA Filter full name is high efficiency particulate air filter.Effectively filter smoke, dust and pet dander and so on. Application area of high efficiency filter:At present, it is widely

The cabin air filter is specially used for air purification in the car compartment. Activated carbon composite filter cloth made of high-efficiency adsorption material-activated carbon and filament non-woven fabric; compact structure, can effectively filter smoke, pollen, dust, harmful gases and var

Usually there are 3 types of air filter in air purifier. They are HEPA filter, activated carbon filter and prefilter. Different filters have different functions. Prefilter is in the first layer which can filter some large particle of dust. HEPA filter can filter out the 0.3 micron dust. And activate

Central air conditioning is a very comprehensive household air conditioning equipment. It has a good function of adjusting the indoor temperature. But for pursuit of comfort of family life, in addition to the suitable indoor temperature, indoor health is also very important. To this end, many centra

Air filters are widely used in home air purifiers, fresh air systems, central air conditioning in shopping malls and office buildings, production purification workshops and clean rooms. When selecting corresponding purification equipment, we do not recommend blindly selecting only expensive ones, bu