Model CFM Approx. Coverage dETAILS 8SF4V30C 300 CFM 150 sq/ft More Info 10SF4V30C 650 CFM 200 sq/ft More Info 12SF4V35C 900 CFM 250 sq/ft More Info 12SF4T50C 1100 CFM 300 sq/ft More Info 16SF4T60C 1325 CFM 325 sq/ft More Info 14SF4V75C 1350 CFM 325 sq/ft More Info 16SF4V75C 1400 CFM 350 sq/ft More Info 18SF6V75C 1785 CFM 400 sq/ft More Info 20SF4T90C 2860 CFM 775 sq/ft More Info 18SF4V180C 3130 CFM 800 sq/ft More Info 20SF4V180C 3340 CFM 900 sq/ft More Info 24SF6D240C 4450 CFM 1300 sq/ft More Info 24SF6V240C 4450 CFM 1300 sq/ft More Info 30SF8N240 5895 CFM 1750 sq/ft More Info 36SF8N370 8860 CFM 2200 sq/ft More Info