Feature:
Filter material is air inlet filter material/green-white roll filter/blue-white roll filter or F5-F9 nonwoven synthetic fiber.
No frame pocket filter is always reserved for those 5 cm longer than the actual size in the length.
Temperature resistance: 80Celsius, Humidity resistance: 80%
Low resistance, large air flow
Application: Widely applied to ventilation system as pre-filtration or medium filtration