Air filters for vehicle motors and engines and stationary motors and engines; intake-air filters for vehicle motors and engines and stationary motors and engines; [ oil filters; oil spin-on filters; fuel filters; fuel spin-on filters; ] exhaust filters for the filtration of exhaust gas for vehicle motors and engines and stationary motors and engines; ceramic and metal exhaust filters for vehicle motors and engines and stationary motors and engines; diesel particulate filters for diesel partic...