Pre Filter also known as Coarse Filter is a device used for capturing unwanted large particles of size more than 10 microns from air such as dust, insects, fibers etc. Pre Filters are also known as Primary Filters and their main function is to enhance the life of Fine Filters. Pre Filters are used in all types of ventilation and air conditioning units. Puromatic manufacture complete range of Pre Filters as per ASHRAE 52.2-2017, EN-779-2002 & Eurovent 4/5 standards.
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|Frame Type||Box or Cassette / Flange|
|Filter Media||Synthetic Non Woven / Glass Fiber / Multiple layers of HDPE Meshes|
Puromatic Filters offers wide range of Pre Filters. The metal filter frame is provided for strength and rigidity. The filter media is pleated in V form configuration to provide lower resistance and higher dust holding capacity. The filter media is supported by metal mesh to provide support and is also epoxy sealed with frame to prevent air bypass.
EN 779-2002: G3-G4
Eurovent 4/5: EU3-EU4
ASHRAE 52.2-2017: MERV6-MERV8
Cleanable and washable
Low initial pressure drop
High dust holding
Optimum cost / performance ratio
Pre Filter for HVAC
Industrial Ventilation and Air Washers
Pre Filters to higher efficiency filters
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