air intake filter,filter cotton

air intake filter Speciality: G2/G3/G4 1.It isworkable many times after cleaning,which is economical; 2.It is used to pre filter or coarse filter in the intake of general ventilation and air conditioning program; 3.It is processed by high performance synthetic fiber of gradual density; 4.It has large dust holding capacity and low resistance,intake side and outside side are different. 5.Temperature resistance;100 degree. 6.It is widely used in plank filters and pocket filters. 7.Size: ModleSizeSP-201.0M*20M*10MM/2.0M*20M*10MMSP-301.0M*20M*15MM/2.0M*20M*15MMSP-401.0M*20M*20MM/2.0M*20M*20MM Note:different size can made .