polyester filter bag 1.ideal medium for liquid filtration 2. ideal material gas filtration 3.long service life 4.high quality 1.Can filter normal atmospheric temperature or high-temperature gas including corroding gas mixed with acid and alkali, water, oil 2.Widely used in metallurgy, chemical industry, building materials, smelting, generating electricity, pottery, machinery, mine, petroleum, dyestuffs, food, grain processing Ideal medium to separate liquid from solid and ideal material to purify and filter gas