Filter aid definition

Filter aid means finely powdered diatomaceous earth or similar approved material used to coat a septum type filter.
Filter aid means a type of finely divided media used to coat a septum type filter, usually diatomaceous earth or volcanic ash. (Note: Alum, as used on the bed of a sand filter, is also referred to as a filter aid.)
Filter aid means a type of finely divided medium used to coat a septum type filter, usually diatomaceous earth, processed perlite, or similar material.

More Definitions of Filter aid

Filter aid means finely powdered diatomaceous earth or similar approved material used to coat
Filter aid means an enhancement to the efficiency of the filter media.
Filter aid means a type of finely divided medium used to coat a septum type filter, usually DE, perlite, or similar material.
Filter aid refers to any means used to enhance the efficiency of the filter media. Alum, as used on the bed of a sand filter, is also referred to as a filter aid.
Filter aid means a nonpermanent type of filter media or aid such as diatomite, alum, etc.
Filter aid refers to any means used to enhance the efficiency of the filter media.