... as an inherent property,open and stiff Polyester substrate TEDA pleatable filter media is divided into two types ... automotives, such as mini-pleat air filter, V-filter and HEPA filter, cabin filter, air cleaner, etc.l Divided into ... Polyester substrate ----as a support for pleatingl Features:Good efficiency, low resistance, energy-saving, environment-friendlyl Usage: mini-pleat air filter, V-filter ...