For more than 30 years Air-Nu has been a leading supplier of home air filter and commercial air conditioner filters to the Greater New Orleans area and surrounding parishes, including St. Tammany, St. John, St. Charles and Terrebonne. Air-Nu remains the p. Pleated Air Filters,Extended Surface Pocket Filters,Extended Surface Rigid Cell Filters,Separator Style,HEPA Filters,Clean Room Filters,HVAC Products