Primary Pleated filter

Primary Pleated air filter
Filter material is white or blue nonwoven fabric and polyester fiber compounded material ,G2/G3 
Aluminum/Galvanized/Cardboard frame, normal thickness: 21mm/25mm/46mm/96mm 
Face guard: Paint-sided care net/Aluminum net 
Low resistance, large air flow and wide filtering area 
Light weight, and lower price, more environment friendly 
Application: Mainly used for filtering particles larger than 5um in the air, it is widely applied in air conditioning system and clean room for pre-filtration.