... with oil,water,dirt repellence treatment can make the media has not sticky and dust off more easily when ... show:Dimensions: Appearance Yellow,un-corrugated Use Pleatable filter media CompositionWater&oil repellent treatment spunbonded polyerster Product Code HLLR/170HLLR ... aslo we choose high quality filter media, such as Donaldson Tetratex PTFE membrane filte media, Toray spunbonded polyester and HV ...