The Primary-Efficiency Sub-Frame Filter Features A Stable Structure, Easy Reusability, And Low Wind Resistance.

Features a stable structure, easy reusability, and low wind resistance.

• Filter material folding process: Fold the flat filter material into a "wavy" or "accordion" shape to increase the unfolded area (3-5 times that of flat type), enhancing filtration efficiency and dust holding capacity.
• Constructed with durable polyester filter cotton for excellent filtration capability, capturing even the smallest particles to maintain clean indoor air.
• Dust holding capacity reaches 500-800g/㎡ (higher than plate-type primary efficiency at 200-300g/㎡), with replacement cycle typically 1-6 months depending on air quality.

• Frame: Aluminium alloy
• Optional frame thickness: 21-46mm
• Filter material: High-quality polyester synthetic fiber
• Reinforcement: Hot-dip galvanized square steel wire mesh
• Connection corner: Sturdy ABS plastic corner or aluminum alloy corner

The Primary-Efficiency Sub-Frame Filter is versatile for various industries requiring efficient air filtration:

• Manufacturing Plants: Maintains clean air for product quality and worker safety
• HVAC Systems: Improves indoor air quality and protects system components
• Home Use: Reduces allergens and dust in residential air conditioning systems
• Other Industries: Complies with CE and FCC standards for various applications

• Place of Origin: China Guangdong
• Certification: CE, FCC
• Minimum Order Quantity: Negotiable
• Price: Negotiable
• Packaging: Carton
• Delivery Time: 15 days
• Payment Terms: T/T, Western Union, L/C
• Efficiency Grade: G1-G4
• Function: Removes smell/dust
• Construction: Panel Filter
• Maximum Air Flow: 1200 CFM
• Filtering Material: Polyester fiber filter cotton

• Installation assistance and guidance
• Troubleshooting common issues
• Maintenance tips and recommendations
• Replacement part ordering
• Product upgrades and enhancements

Product Name: Air Pre Filter

Description: High-quality air pre filter for effective filtration

Package Contents: 1 Air Pre Filter

Shipping Details: Carefully packaged for safe delivery. Shipping fees may apply.