Frames made from cardboard or metal on which is placed the pleated media.
This type of filter is generally used for the pre-filtering of ventilation systems to protect the stages of filter bags or rigid filters.
Pleated media enables to increase filtering surface which means increase lifetime in a small pack.
Filtering medias : Non-woven polyester or fiber glass media depending on application.
Frame :Galvanised metal or cardboard frame.
Applications : Prefiltration, Ventilation systems, Air conditionning