Various Disposable cardboard frame filters

With 20+ years of manufacturing HVAC air filters, our factory can make various sizes of disposable prefilter with cardboard frame(G4 or Merv 8).

Please check the following chart.

There are different colors available too: White, green and blue. The safeguard mesh can be diamond or square mesh(much tougher).

Those filters are prefilters and widely used in all kinds of ventilating systems, such as commercial buildings, airports, hotels, hospitals, etc.