• Exclusive vForm Pleating Technology
• MERV 8 performance rating
• Self-supporting pleats requires no metal reinforcement
• Low resistance to airflow reduces energy costs
• Moisture-resistant beverage board frame
• Completely incinerable
Materials: 
1.Frame: Aluminum Frame /Galvanized Frames /Cardboard Frame
2.Media: Polyester/Nonwoven(white and blue color)
3.Face net: Spot mesh,expanded mesh
4.Protect mesh: Aluminum net or stainless steel net 
Features: 
1. Light weight, economic cost
2. Disposable products, environmentally. 
3. Low resistance, large filter area and air volume
4. Cardboard frame with special process, with long working time. 
5. Thickness available: 21mm, 25mm, 46mm, 96mm etc. 
Application: 
Used as Prefilters in commercial and industial central air conditioning systems,Clean rooms and related industries.