Primary Paper Frame Filter


Captures particulate dust and various airborne contaminants larger than 5μm. Features low cost, lightweight construction, excellent versatility, high dust-holding capacity, low resistance, compact design, and facilitates bulk replacement.

  • Product Features

Captures particulate dust and various airborne contaminants larger than 5μm. Features low cost, lightweight construction, excellent versatility, high dust-holding capacity, low resistance, compact design, and facilitates bulk replacement.

  • Application Areas

  1. Pre-filtration for general air conditioning and ventilation systems to prevent internal dust accumulation and contamination;
  2. Pre-filtration for large air compressors;
  3. Pre-filtration for centralized ventilation and air conditioning systems, as well as return air filtration, to extend the service life of downstream high-efficiency filters;
  4. Pre-filtration for ventilation systems in general industrial facilities to meet basic air cleanliness requirements.
  • Product Description

The filter media utilizes premium, fluffy material composed of a specialized blend of non-woven fabric and synthetic fibers. Its unique, precisely pleated design offers substantial dust-holding capacity, significantly enhancing media utilization. The rationally configured pleat count increases the filter’s effective surface area while reducing resistance. The primary panel filter features a moisture-resistant cardboard frame with filter paper bonded at all connection points for a robust, reliable structure. This ensures the filter remains undistorted and undamaged even in harsh operating environments. An internal support mesh reinforces the filter media, resulting in a compact, lightweight design that facilitates easy installation and removal.

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