Polypropylene food grade filter bags Polypropylene food grade filter bags are made of food grade filter material-polypropylene filter felt. They are specially used in food and beverage industries. Polypropylene food grade filter bags micron rating is from 0.5 micron to 300 micron. Polypropylene food grade filter bags sizes: size1# 7inch*17inch size 2# 7inch*32inch size 3# 4inch*9inch size 4# 4inch*15inch Polypropylene food grade filter bags structures: stitched filter bag with SS ring top, welded filter bag with plastic collar top Polypropylene food grade filter bags applications examples: Bottled Water filtration: size2# 3 micron and 5 micron PP filter bag High Fructose Corn Syrup filtration: 5, 25, 75 micron PP felt filter bag INDRO filtration makes and supply polypropylene food grade filter bags with competitive prices and good quality, FDA certificate is available.