... , mothproof,non-poisonos Filter paper for air filter Description: Non-woven filter paper for air filters has high ... ,oxygen,nitrogen,fuel gas etc,and can be used in several kinds of vehicle filter element. Small ... astonishing whole 9,000 gallons of air are used up for every gallon of gasoline your automotive ... up of pleated folds of paper, a heavier almost cardboard type of paper, whose job is catch the ...