Usha Filters
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Fine Filters

Deep Pleat Fine Filter

Usha Filters Deep Pleat Fine Filters are high-efficiency air filters manufactured using premium quality glass fiber media for fine particulate filtration in HVAC systems and critical clean air applications. The deep pleated construction provides a large filtration surface area, resulting in high dust holding capacity, low pressure drop and reliable airflow performance.

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Product Overview

Usha Filters Deep Pleat Fine Filters are high-efficiency air filters manufactured using premium quality glass fiber media for fine particulate filtration in HVAC systems and critical clean air applications. The deep pleated construction provides a large filtration surface area, resulting in high dust holding capacity, low pressure drop and reliable airflow performance.
These filters are specially designed for applications requiring superior filtration efficiency, extended service life and consistent air cleanliness.
Key Features

  • High-efficiency glass fiber filter media 
  • Deep pleated construction for maximum filtration area 
  • High dust holding capacity 
  • Low pressure drop for energy-efficient operation 
  • Uniform airflow distribution 
  • Rigid and leak-resistant construction 
  • Long operational life 
  • Excellent dimensional stability 
  • Suitable for high airflow applications 
  • Available in multiple efficiency grades 

Construction Details

Component Material
Filter Media Glass Fiber Media
Frame Material GI / Aluminum / Wooden Frame
Separator Corrugated Aluminum Separator / Hot Melt
Sealant PU / Industrial Grade Sealant
Support Structure Deep Pleat Rigid Construction
Gasket Optional EPDM / Neoprene

Technical Specifications

Parameter Details
Filter Type Deep Pleat Fine Filter
Media Type Glass Fiber Media
Filtration Efficiency F5 / F6 / F7 / F8 / F9
Recommended Face Velocity Up to 2.5 m/s
Initial Pressure Drop Low
Operating Temperature Up to 80°C
Frame Options GI / Aluminum / Wooden
Separator Type Corrugated Aluminum / Hot Melt
Standard Depth 150 mm / 292 mm
Custom Sizes Available

Working Principle
The deep pleated glass fiber media captures fine airborne particles throughout the depth of the filter while maintaining efficient airflow. The deep pleat design significantly increases filtration surface area, allowing higher dust retention capacity and longer filter life with low airflow resistance.
Applications

  • HVAC Systems 
  • Air Handling Units (AHU) 
  • Pharmaceutical Facilities 
  • Hospitals 
  • Cleanrooms 
  • Food Processing Units 
  • Electronics Manufacturing 
  • Biotechnology Laboratories 
  • Commercial Buildings 
  • Precision Manufacturing Areas 
  • Semiconductor Industry 
  • HEPA Pre-Filtration Applications 

Advantages

  • High Filtration Efficiency
  • High Dust Holding Capacity
  • Energy Efficient
  • Reliable Construction
  • Improved Indoor Air Quality

Maintenance Guidelines

  • Monitor pressure drop regularly. 
  • Replace filters when final pressure drop exceeds recommended limits. 
  • Ensure proper installation and sealing. 
  • Regular maintenance improves HVAC efficiency and air cleanliness. 

Customization Options

  • Usha Filters offers customized Deep Pleat Fine Filters based on:
  • Filter dimensions 
  • Filtration efficiency 
  • Frame material 
  • Separator type 
  • Airflow capacity 
  • Application-specific requirements