Gopani products systems [gps] manufactures latest valu-life bag with multiple column providing four times more effective filtration surface than standard single layer filter bag. The valu-life bag with multiple column is available with more surface and increased depth features offering the advantages of longer life and higher efficiency. The company supplies these valu-life column bags in both felt and mesh medias ranging from 1 micron to 800-micron sizes. The gopani valu-life bag with multiple column is useful for areas including