Harmsco^® Filtration Products offers cellulose-free filter cartridges constructed with a newly developed synthetic composite media. The filters contain no binders or cellulose and have been developed specifically for drinking and bottled water applications. The media’s patented gradient density and low resistance provide for extended filter life while maintaining high efficiency Available in one-, five- and 20-micron nominal ratings for many of the 10- and 20-inch 801, Calypso Blue^™ and Hurricane^® cartridges. http://www.harmsco.com, sales@harmsco.com