Costguard Replacement Cartridge, Microns 5, Flow Rate (GPM) 3.34, Material of Construction Polypropylene, Service Life (Gallons) 12000, Height (In.) 20, Outside Dia. (In.) 2-7/8, Length (In.) 20, Max. Recommended Differential 30 to 125, Max. Pressure (PSI) 125, Max. Temp. (F) 100 Degrees , Reduces Taste, Odor and Chlorine, Application Sediment/Foodservice, Cartridges Required 1, For Use With Most Any 20 In. Bowls, NSF42 Standards Replacement Filter Cartridges34D336 protects beverage system pump, seals, small orifices, and tubing from corrosion, clogging, and abrasive wear. Improve the taste of fountain beverages and help preserve carbonation. NSF Certified under NSF/ANSI Standards 42 and 53. 34D337 and 34D338 help reduce scale build up caused by dirt and dissolved minerals. Improve the taste of fountain drinks and coffee. NSF Certified under NSF/ANSI Standard 42.All filter cartridges are certified for use in potable water applications.Max. pressure: 125 psi Max. temp.: 100 F