These pleated filters use synthetic media and bonded to a wide mesh on the air-exiting side and then enclosed into die-cut cardboard. There are three kind of thickness -1″, 2″, 4″ with 30-35% efficiency rate.
Pre filter are low cost and easy installation with wide range of application. High moisture resistant.
These filters can used as Pre-filter for majority of more demanding filtration requirement andextend the life of expensive high-efficiency filters. They can be used in residential commercial andindustrial.