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Primary Filter Series

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Aluminum Frame Primary Filter

Detailed Introduction

Aluminum frame initial effect chip filter (single-sided large square grid, single-sided wire cross)

Product No.


Rated air volume


Initial resistance

Recommended final resistance













Special size and specifications can be made according to customer requirements

Filt Efficiency:

Optional filter rating: G2, G3, G4, F5 (EN779)

Product Feature:

  1. The frame is sturdy and detachable: it is made of sturdy plate aluminum frame with aluminum alloy corner or plastic corner. The structure is firm and stable, ensuring that the filter will not be deformed or damaged under the poor working environment. The outer frame is detachable. Easy to replace the filter material for the purpose of recycling the frame

  2. Lightweight panel structure, easy to handle and install, high quality polyester synthetic fiber filter material, low initial resistance, good fire resistance

  3. The filter material is made of high quality polyester synthetic fiber, which can be cleaned and reused for many times, with long service life and fluffy and dense fiber structure, which ensures high dust collecting rate and large dust capacity, and effectively prolongs the service life of the medium effect filter at the back end and reduces the operation cost

  4. 1 inch with flat structure, wire cross, easy to replace, good versatility

  5. Optional filter rating: G2, G3, G4, F5 (EN779)


  1. Initial-effect folding filter for use in clean return air systems

  2. Pre-filtration of local high efficiency filtration unit

  3. Large civil building ventilation and air conditioning system for office buildings, conference rooms, hospitals, shopping malls, airports, etc.

  4. Central air conditioning and centralized ventilation system pre-filtration in general industrial plants or clean rooms

  5. The initial effect folding filter is used for pre-filtration of large air compressors.

  6. Air filter products are widely used in electronic technology, medical and health, biological products, food and beverage, mechanical and electrical engineering equipment, precision instruments, metallurgical chemicals, painting, air conditioning, printing, environmental protection, etc.

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