1:Product summary:aluminum outer frame+aluminum mesh
2:Spec:430*400*20mm
3:Outer frame:silvery white aluminum.
4:Mesh:3layers aluminum meshes+active carbon filtration cotton.
5:Application:Used for central air conditioner and air conditioner series,belongs to initial filtrationg.
6:Advantage:large dust holding capacity,low resistance,used for active carbon,technic,can adsorb peculiar smell,mist,etc.coarse efficiency,long life,easy to clean and install.light weight etc.
Remark: we can made it as per your demand.
Maintenance and cleaning:1) Soak the filter for an hour in hot water with noncorrosive detergents;
2) Rinse off thoroughly with hot water, if need repeat this process.
3)Clean the panel with a damp cloth,and refit it after dried.
HEPA filter