An air filter (34) arrangement for an agricultural combine located on a panel (54) at a side wall of the agricultural combine. The air filter arrangement includes a rotary filter (42) mounted for rotation at a first aperture, a scoop enclosing the rotary filter and blocking substantially all air flow to the rotary filter except at a scoop inlet (38) disposed along an upper edge of the scoop (36) above the rotary filter (42), and at least one stationary filter disposed to filter air passing through a second aperture in the panel, the stationary filter being located between an upper portion of the rotary filter (42) and the scoop inlet (38).
