These MERV-17 rated filters capture the finest dust! They have 3 layers; The first layer is 1 micron. The 2nd layer is the HEPA layer and captures 99.98% of 0.3-micron particles, and the 3rd layer is a fiberglass-reinforced layer to strengthen the HEPA layer. The filter surface area is 45.2 square feet, and it fits the G0862.
