The main material of air filter is filter paper, there are different types of filter paper, the price vary widely. If customer just compare the air filter price it will being cheated. The price of high quality filter paper is half expensive than the low quality filter paper. Except filter paper, the sealing material polyurethane is another main raw material. The Polyurethane price with good flexible, uniform color and odorless more higher than the poor quality one.

Same raw material but air filter price is different, because the workmanship cost should be considered, for example, the size tolerance of air filter, whether the pleat space is uniform and compact, polyurethane side is smooth or not, air filter appearance is good or not.

Above is the factors to influence the air filter price, With the development of network air filter price also changed transparent gradually, but buyer will never cleverer than the seller. air filter price only can be used as a reference factor, the most important is to choose a reliable air filter manufacturer.