... : Nontoxic, odorless, white and light, clear crease. Even distribution, high strength, low ... friendly.*Performance: Nontoxic, odorless, white and light, clear crease.Even distribution, high strength, low resistance and ... middle, high efficient filters, oil waste treatment, water purification equipments, HEPA filters, etc.Weight per square ... effciency and low resistance air /water filter pp paper