... 3)Acid-resistant,alkalifast 4)Flexible,filter dust,liquid,air 5)Good foam 1.Company Introduction:Guangzhou Yonghao Plastic Shoe ... , can product various shape of foams.2.Best Price Filter Foam detail:1)Material: PU (polyurethane)2)Aperture: from 10ppi to ... ,good tensile7)Use: filter dust, air, liquid, equipment filter etc. Best Price Filter Foam Best Price Filter Foam Best Price Filter Foam Best Price ...