... 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 High efficiency : TDY-99A ... pleatingl Features:Good efficiency, low resistance, energy-saving, environment-friendlyl Usage: mini-pleat air filter, V-filter, HEPA filter, cabin filter, air cleaner, vacuum cleaner filter,etc. air filter material