The disposable G4 Panel Filters use pleated media and meet the industrial standard for filtration efficiency. The pleated filter media is laminated with an expanded metal grid support and housed in a moisture resistant cardboard frame. The rigid fibre properties of this media ensure optimal separation capacity, maximum dust containment and complete dust particle release prevention, while optimizing energy costs They are ideal primary filters for air conditioning systems. Product Specification Moisture resistant cardboard frame Pleat heights available: 22, 48, 98mm (1, 2, 4) 100% polyester filter media Available in G4 grade Standard Sizes: 592 x 592mm 490 x 592mm 287 x 592mm Characteristics Optimal Separation Capacity Low Pressure Drop Maximum Dust Containment Long Life Span Polyester with expanded wire metal support No Chemical Binders