... 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 types:Medium efficiency: TDY-65D,TDY85D,TDY95D ... Features:Good efficiency, low resistance, energy-saving, environment-friendlyl Usage: mini-pleat air filter, V-filter, HEPA filter, cabin filter, ...