Pre-filter 
                        Features:
Panel pre-filters are  widely used for primary filtration.
1. Superior dust-loading capacity;
2. Low pressure drop for low cost;
3. Large air flow
Structure: 
	
		
			
				Item
			
			
				Material(Standard)
			
			
				Material(Alternative)
			
		
	
	
		
			
				Filter Media
			
			
				Synthetic fiber/Glassfiber/Cotton/Non-woven fabrics
			
		
		
			
				Frame
			
			
				Cardboard
			
			
				Aluminum/Galvanized
			
		
		
			
				Protect Mesh
			
			
				Aluminum net
			
			
				Stainless Steel net
			
		
		
			
				Filtration Efficiency
			
			
				G2,G3,G4
			
		
		
			
				Average Arrestance
			
			
				85%-96%@5micron
			
		
		
			
				Initial Resistance
			
			
				30-50Pa
			
		
		
			
				Final Resistance
			
			
				200-250Pa
			
		
		
			
				Temperature Limit
			
			
				100℃
			
		
		
			
				Color
			
			
				Blue or white
			
		
	
Application:
Pleated Pre-Fitlers widely applied in gas turbine air inlet housing, air conditioning and ventilating system as a prefilter before medium filters and HEPA filters.