Film electret and an electret filter

Filter

Filter

Filter and filter assembly

Filter apparatus and method of making it

Filter assembly with integral adhesive structural framework

Filter block for filtering particles contained in the...

Filter body for particle filter

Filter candle

Filter element and process for producing the same

Filter element comprising glass fibers

Filter element for air cleaner

Filter element for separating dusts from gases

Filter element having an inherently stable, permeably porous pla

Filter element, method of manufacture and use

Filter felts and bag filters comprising blends of fibers...

Filter for cleaning the exhaust gases from diesel engines

Filter for gas lighter and method for producing the same

Filter for purifying exhaust gas

Filter for the removal of apolar organic substances from gases