... be used for manufacturing a variety of pleat-type air filtration product for cleaning the air in commercial, industrial and residential HVAC systems ... and automotives, such as mini-pleat air filter, V-filter and HEPA filter, cabin filter, air cleaner, etc.l Divided into two ... , low resistance, energy-saving, environment-friendlyl Usage: mini-pleat air filter, V-filter, HEPA filter, cabin filter ...