Bonnie Abshire

Genuine apriliare / space-gard oem model # 401 media air filter. Fits aprilaire / space-gard model 2400 series media air cleaner only.Air filters aprilaire spaceguard oem 401 filter media 2pack rated iar flow = 1200 cfm. Pressure drop = 0.12 w. Accordian style requires that you retain and use the existing plastic pleat spacers from the old filter that originally came with your air cleaner.