1.High quality filter material 2.Professional sewing technology 3.competitive price 4.fast delivery Material: Polyester needle felt, polypropylene needle felt, nylon monofilament mesh, polyester meshMicron rating: 1 -200umBottom Construction: Welded or sewnCollar type: Steel ring or plastic ring Application Range:Automobile industry, Electronics industry, Food and Beverage industry, Petrochemical ...