Classification
1)Class G1 Pre-Filter
Capability: Capable of collecting ¡Ý5um particles of various kinds, with great air-volume, little resistance and a large capacity to hold dusts. Service life is long.
General Application: Elementary filtration for air-condition systems; preliminary filtration in a multilevel filtration system; and air-filtration for ordinary acid or alkali organic solvent.

2£©Class G2 Pre-Filter
Capability: Capable of collecting ¡Ý5um particles of various kinds, with great air-volume, little resistance and a large capacity to hold dusts. Service life is long.
General Application: Elementary filtration for air-condition systems; preliminary filtration in a multilevel filtration system; and air-filtration for ordinary acid or alkali organic solvent.

3£©Class G3 Pre-Filter
Capability: Capable of collecting ¡Ý5um particles of various kinds, with great air-volume, little resistance and a large capacity to hold dusts. Service life is long.
General Application: Elementary filtration for air-condition systems; preliminary filtration in a multilevel filtration system; and air-filtration for ordinary acid or alkali organic solvent.

4£©Class G4 Pre-Filter
Capability: Capable of collecting ¡Ý5um particles of various kinds, with great air-volume, little resistance and a large capacity to hold dusts. Service life is long.
General Application: Elementary filtration for air-condition systems; preliminary filtration in a multilevel filtration system; and air-filtration for ordinary acid or alkali organic solvent.

5£©GN Nylon-net Pre-Filter
Capability: Easy to clean, reusable, economical with long service life.
General Application: Elementary filtration for air-condition systems; preliminary filtration in a multilevel filtration system; and air-filtration for special acid or alkali organic solvent.

6£©GH Nylon-net Pre-Filter
Capability: Easy to clean, reusable, economical with long service life.
General Application: Elementary filtration for air-condition systems; preliminary filtration in a multilevel filtration system; and air-filtration for special acid or alkali organic solvent.

7£© GT High-temperature Resistant Filters
Capability: Little resistance, great air-volume, incombustible, chemical and moisture-proof, high-temperature-resistant and capable to be operated around 400¡æ lastingly.
General Applications: Elementary filtration and air-filtration for high-temperature ovens.

8£©GC Active Carbon Filter
Capacity: Active carbon felt is employed to enlarge surface area and increase absorption in order to dispose of harmful gases of various kinds to clean air effectively.
General Application: To the treatment of peculiar smell produced by ventilation systems of air conditioners and polluted air; absorption and disposal of harmful gases such as benzene, formaldehyde, ammonia and so on; and reuse of solvents.

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