The Hoshizaki, 9534-12, Twelve Pack Replacement E-10 Prefilters is perfect for food service applications and ice machines. This 6 gpm, 10 micron rated, works in single configuration water filter systems. Filters out larger dirt and rust particles. The EC110 Prefilter extends the life of the primary water filter cartridges. Replace approximately every 15,000 gallons or 6-12 months depending on usage and water condition. Certifications: NSF Standard 42 Flow Rate: EC110 Filter, Max. Flow Rate: 6 gpm, Working Pressure: 10 - 125 psi, Temperature: 35 - 100°F, Capacity: 15,000 gal Rating: Tightly spun EC110 sediment cartridge delivers 10 micron nominal filtration Replacement Cartridges: EC110 Prefilter: 12 Pack (9534-12), 40 Pack (9534-40) Supports: 9795-80, all models