Filter with unsettled fines removal before settled cake...

Filter with valve-in-head construction

Filter with valved by-pass

Filter with valved sediment trap

Filter with water separation device

Filter, especially air filter

Filter, especially air filter for the air intake of an...

Filter, in particular for the lubricating oil of an internal...

Filter, particularly for smoke solids filtration

Filter-and screen cloths made from coated polyester material

Filter-device and a filter-appliance from such filter-device

Filter-heat exchanger

Filter-vessel made of plastic

Filtered air moving apparatus

Filtered environmental control system

Filtered water enhancements

Filtering aid for the filtration of beverages

Filtering alkaline metal cleaner

Filtering and cleaning means

Filtering and concentrating means and method