It is usually made of synthetic fibers such as polyester fibers and polypropylene fibers. These fibers have high strength and durability, and can withstand certain air - flow pressure and mechanical tension. For example, in some industrial ventilation systems, even when exposed to high - speed air - flow environments for a long time, green and white cotton can maintain good structural integrity.
Application:
HVAC System: In residential, commercial, and office AC systems, green - white cotton, as a primary filter, protects subsequent equipment and components from large - particle impurities and enhances indoor air quality. Industrial Ventilation System: In industrial settings like factories and workshops, where abundant dust and pollutants are produced, green - white cotton is used for primary filtration to remove large particles, offering a cleaner workspace. Cleanroom: In cleanrooms with strict air - quality demands, despite high - level filters, green - white cotton in primary filtration is essential. It removes most external dust and impurities, relieving the load on high - efficiency filters and prolonging their lifespan.
