Filter assembly having an extruded filter head

Filter assembly with filter elements separated by spacers

Filter back-washing

Filter bag for a machine screen

Filter brush

Filter cake compressor

Filter cake control method and apparatus

Filter candle

Filter candle and method for producing the same

Filter canister with a plastic pipe and a metal bushing

Filter cartridge assembly

Filter cartridge including external cell separators

Filter cartridge support

Filter cartridge with a connector seal

Filter cartridge with snap fit connection

Filter cartridges and filter cells

Filter cartridges and methods and components for making them

Filter cartridges having nonwoven melt blown filtration media wi

Filter cleaning apparatus

Filter cleaning apparatus