For use with GRV as filter pairHigh quality paper made of cellulose & synthetic componentsFilter is pulse cleanableLong lifetime through media with high tensile strengthLowest initial pressure dropZinc coated end caps with glued sealingExpanded zinc coated screen with high open surfaceHigh quality standard due to Quality Assurance System according to Iso 9001:2000Highly economical through high final pressure dropFor use in gas turbine air filtration with back pulse