High-Loft Air Through Nonwoven Filter Media 50-150 GSM 3D Fluffy Polyester/ES Fiber Cotton for HVAC & Air Purifier Pre-Filter

Engineered via through-air thermal bonding technology, our 50 – 150 GSM Air Through Nonwoven Filter Media features a lofty, 3D open-pore fiber structure without heavy calender compression. Made from 100% virgin bicomponent ES fibers or polyester (PET) with zero chemical binders, it offers exceptional dust-holding capacity, ultra-low airflow resistance, and high oil/liquid absorption efficiency, making it ideal for HVAC air filtration, industrial liquid filtration, and oil spill absorbent pads.

• 3D High-Loft Structure for Maximum Dust-Holding Capacity: Hot air penetrates the fiber web evenly to lock in a fluffy, open 3D matrix—capturing large and medium particles deep within the media rather than clogging on the surface.
• Low Pressure Drop & High Permeability: High porosity ensures smooth air and liquid flow with minimal resistance, reducing energy consumption and extending filter service life.
• Selective Oil Absorption & Chemical Resistance: Naturally oleophilic and hydrophobic (when configured for oil control), rapidly absorbing industrial oils, lubricants, and hydrocarbons while repelling water.
• Binder-Free & Eco-Safe: Pure thermal bonding eliminates chemical glues, preventing odor, fiber shedding, or secondary contamination in sensitive air and fluid systems.
• Easy to Pleat, Die-Cut & Laminate: Maintains excellent structural resilience and can be easily pleated, ultrasonic-welded, or laminated with meltblown/activated carbon layers.

• Product Name: Air Through Nonwoven Filter & Absorbent Media
• Material: 100% Virgin ES Fiber (PE/PP or PE/PET) / Polyester (PET)
• Basis Weight (GSM): 50 – 150 GSM (Customizable per filtration efficiency & thickness requirements)
• Thickness / Loft: High-loft bulky structure (customizable density)
• Roll Width: Customized slitting width to fit pleating and die-cutting lines
• Color: Pure White (Custom colors available upon request)
• Optional Functional Finishes: Hydrophilic treatment (for rapid aqueous filtration), oleophilic/hydrophobic (for oil-only absorption), anti-static, or flame retardant (FR)

1. Air Filtration (Pre-Filter & Medium Efficiency): HVAC system pre-filters, air purifier coarse dust layers, automotive cabin air filter support/pre-filter media, and paint booth exhaust cotton.
2. Industrial Oil Absorption: Oil-only absorbent pads, rolls, and socks for marine spills, machinery maintenance, and oil-water separation.
3. Liquid Filtration: Coolant filtration, electroplating bath filtration, food & beverage pre-filtration, and industrial wastewater straining.
4. Composite Filter Support: Lofted pleating support layer laminated with meltblown or HEPA media.