The filter is a 3-micron absolute filter with avery high dirt-holding capacity and a cellulose-based filter insert that removes particles, retains oil degradation products (oxidation resin/sludge, varnish), and absorbs dissolved / emulsified and free water from oil.

Make this lower case.
the filter is a 3-micron absolute filter with avery high dirt-holding capacity and a cellulose-based filter insert that removes particles, retains oil degradation products (oxidation resin/sludge, varnish), and absorbs dissolved / emulsified and free water from oil.