... in cellulosic and polypropylene media. 1401's are available inabsolute ratings of 2.5, 6, 10, 12, 22, and 100 ... toadequately clean up these fluids. Their durability, largeamount of filtration area and high dirt capacity haveproven to be ... , and increases sweep efficiency that lowersoperating expenses because of less frequent workovers.Cartridge Liquid Removal RatingPart NumberPercentRemoval 99 ...