Washable Pleated Pre-Filtration Air Filter Washable Pleated Pre-Filtration Air Filter

Washable Pleated Pre-Filtration Air Filters provide long-term cost savings and environmental benefits. Their durable construction and washable design allow for multiple uses, reducing waste and ensuring consistent air quality without frequent replacements.

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Product description

The Washable Primary Filters are designed for general use in ventilation and air conditioning systems in hospitals, office blocks, hotels, factories, AHU’s or areas where there is a high dust content. They can also function as a pre-filter to secondary and tertiary filters.The washable pleated panel filter is made from nonwoven needle punched synthetic media and this is fixed within a galvanised channel frame with urethane, ensuring no air bypass. The supporting wire is sandwiched between two filter medias of varying density





●   Low resistance

●   High Dust holding capacity

●   Economic

●   Washable



Pre- filter and foreign material filtration in commercial and industrial ventilation systems.

1. Used for clean room conditioning system, pre filtration through fresh air venting units, and exterior air conditioning connection.

2. Primary filtration of central air conditioning system.

3.  Pre filtration at the inlet of air purification equipment.

4. Pre-filtration in a medium filter.

5. Primary filtration or secondary filtration in a filter system.





Filter Grade: G2、G3. G4 (EN779); EU2、EU3. EU4 (EUROVENT)

Filter object: particles≥5μm

Humid tolerance (relative humidity): ≤100%RH

Filtration efficiency: 75%、85%、95% (ASHRAE52.1-1992)

High temperature resistance: ≤100℃

Instantaneous temperature :≤120℃

Filter material : polyester fiber filter cotton ,non-woven fabric filter.

Dual racking : galvanized steel ,paint sprayed steel ,stainless steel.

Frame: Aluminum Alloy frame ,galvanized iron frame ,stainless steel frame.

Features: Rigid structure and durable.

Can be customized with washable media, multiple use after washing.

Can be customized with removable structure outer frame and racking can be multiple used.


Technical parameters


    Model      Dimensions Pleats number

Air flow/lnitial pressure drop 

(m3/h/ Pa)

W(mm) H(mm) D(mm)


595 595 46 11 1700/18 3400/68
290 595 46 11 850/20 1700/70

Remark: Other specifications can be customized






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