Rigid internal quality control standards help to assure consistent and repeatable filtration performance over time. DYNA-CLEAR F series filter bags are available in four different materials of construction providing excellent compatibility with a wide range of process fluids. Various optional surface treatments are offered to reduce fiber migration and enhance filtration performance. An all thermally welded polypropylene felt bag is available for higher purity applications. DYNA-CLEAR Series filter bags are manufactured in a wide range of sizes and configurations to fit most bag filter housings.