- Pleated Resin Impregnated Cellulose - Pleated cartridges provide surface filtration. Particles are trapped on the surface. Pleats add surface area, thereby increasing dirt-holding capacity. - Cartridges manufactureed from cellulose, or a blend of cellulose and polyester, should be used on municipal chlorinated water supplies (city water) only. Non-harmful bacteria commonly found in well water may eventually degrade the cartridge. In municipalities, chlorination reduces these bacteria, making cellulose based cartridges an economical filtration choice for city dwellers. - Designed for municipla/chlorinated water - Good for general purpose filtration - Medium: Cellulose - Micron Rating (nominal): 20 - Maximum Flow Rate (GPM): 12 - Diameter: 4-1/2" - Length: 20" - Part# 155305-51
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