Primary Filter with Parent-Child Frame


Captures particulate dust and various airborne particles larger than 5μm. Features a removable outer frame design, high dust-holding capacity, washable premium filter media, sturdy and stable construction, lightweight, low resistance, excellent flame retardancy, and wide applicability.

  • Product Features

Captures particulate dust and various airborne particles larger than 5μm. Features a removable outer frame design, high dust-holding capacity, washable premium filter media, sturdy and stable construction, lightweight, low resistance, excellent flame retardancy, and wide applicability.

  • Application Areas

  1. Pre-filtration for general air conditioning and ventilation systems to prevent dust accumulation and contamination within the system;
  2. Pre-filtration for large air compressors;
  3. Centralized ventilation systems and return air filtration to extend the service life of downstream high-efficiency filters;
  4. Pre-filtration for air conditioning systems in general commercial buildings;
  5. Pre-filtration for public infrastructure air conditioning systems in rail transit.
  • Product Description

Premium filter media, rational design, high dust holding capacity, low resistance. Constructed from high-quality polyester synthetic fibers, the air inlet side is loosely woven while the air outlet side is tightly packed, ensuring high efficiency while providing substantial dust holding capacity. The optimized pleat count design increases effective filtration area, reduces resistance, and enhances dust holding capacity.

After extended use, air-gun reverse-blow cleaning enables reuse, maximizing operational cost savings. The aluminum frame is sturdy yet lightweight, facilitating easy installation and removal.

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