HomeNews News Center What is the Primary Filter?

What is the Primary Filter?

2023-04-19

The Primary Filter, also known as a pre-filter or coarse filter, is the initial stage of a filtration system designed to remove larger particles and contaminants from a fluid or air stream. Its primary function is to capture and prevent the entry of larger particles, such as dust, dirt, debris, and hair, before they reach the main filter or the critical components of the system.


The Primary Filter is typically made of a coarse and porous material, such as foam, fiberglass, or non-woven synthetic media. It is designed to have a higher flow capacity and lower filtration efficiency compared to the main filter. This allows it to handle larger volumes of particulate matter without clogging quickly.


By capturing larger particles, the primary filter helps to extend the lifespan and improve the performance of the subsequent Filters in the system. It plays a crucial role in preventing the main filter from becoming overloaded or prematurely clogged, which can lead to reduced airflow, decreased system efficiency, and increased maintenance requirements.


The primary filter is commonly used in various applications, including HVAC systems, Air Purifiers, automotive engines, industrial processes, and more. Regular inspection, cleaning, or replacement of the primary filter is necessary to ensure its effectiveness and maintain the overall efficiency of the filtration system.

primary effect plate filter

What is the price of primary filter?

The price of a primary filter can vary significantly depending on various factors such as the size, type, material, brand, and supplier. Additionally, the pricing may also vary based on the specific industry or application in which the primary filter is used.


As a result, it is challenging to provide an exact price for a primary filter without specific details. However, generally speaking, primary filters are relatively affordable compared to more advanced or specialized filters.


To determine the price of a primary filter for your specific needs, please contact us ,We will be able to provide you with accurate pricing information based on your requirements and specifications. 

medium efficiency box filter with clapboard

Previous: What is a Medium Efficiency Filter?

Next: Air Cleaners and Air Filters in the Home