Air filters for machine motors and engines; filter elements for fuel filters; filter elements for oil filters; filter elements for lubricant filters; filter elements for chemical filters; oil filters; oil filter for filtering oil, lubricants, fuel, coolant, air and chemicals in motors, engines, agricultural machines, and ship motors; filter apparatus and devices, namely, simplex filters and duplex filters for filtering oil, fuel, air and lubricants in diesel engines, ship engines, automotive ...