Fischer-Robertson Inc in Fairfield, OH manages gas, air, and water filtration needs for industrial and commercial businesses. Using brands like Pep Filters, Pentari, Hy-Pro, Nowata Filtration, Hayward Fishcher-Robertson have be serving clients for 35 years.. Process Filtration,Dust Collection,Fuel and Aviation,Utilities,Air Filtration and Gas Filtration,Water Filtration