AFW9 Cylone Option- AfterFilter 9. MODEL # AFW9, Outdoor Rated Enclosures- Afterfilter 80 X 47, Filter Length 72 Inches, No Filters 9, Total Square Feet filter area 162, 1 Hopper, 10" Standard Discharge. Part No. AFW9 AfterFilter 9. Inquire for pricing Due to Market Volatility.