Pentair Pentek RFFE20-BB Big Blue Water Filter, 20-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 20" x 4.5", White

Pentair Pentek RFFE20-BB Big Blue Water Filter, 20-Inch, Whole House Radial Flow Iron Reduction Replacement Cartridge, 20" x 4.5", White

• GREATLY IMPROVES TASTE by filtering up to 3 PPM of dissolved iron. Eliminate metallic taste
• PREVENT RUST STAINS on sinks, toilets and plumbing fixtures and prevent appliance damage.
• WHOLE HOUSE FILTERING on main water line, works great for well water.
• FITS ALL 20" Big Blue Housing and can replace any 4.5" x 20" Iron reducing filter.
• REPLACE EVERY 3 MONTHS for 3PPM reduction with a family of four. See image chart for more details.

<div class="aplus"><p>This Pentek 155263 RFFE20-BB radial flow iron reduction cartridge is suitable for reducing the presence of dissolved iron in water supplies with concentrations up to 3 parts per million (ppm) for improved taste, less staining, and reduced chance of pipe and water heater damage. It is designed for use with a #20 Pentek Big Blue filter housing (not included), and operates at a maximum temperature of 100 degrees F (37.8 degrees C). It has a lifespan of 26,000 gallons for water supplies with an iron concentration of 3 ppm, and a longer lifespan at lower concentrations. This iron reduction cartridge is suitable for residential and commercial filtration applications, with pre-sediment and post-carbon treatment recommended for best results.</p><h4>Specifications</h4><table border=1 width="800" cellpadding=2 cellspacing=0><tr bgcolor="#dfe1e0"><td>Lifespan at 3 ppm</td><td>26,000 gallons</td></tr><tr><td>Lifespan at 2 ppm</td><td>40,000 gallons</td></tr><tr bgcolor="#dfe1e0"><td>Lifespan at 1 ppm</td><td>80,000 gallons</td></tr><tr><td>Lifespan at 0.5 ppm</td><td>160,000 gallons</td></tr></TABLE><br/><p>Water filters remove undesirable particles, chemicals, and microorganisms from water by means of a semipermeable barrier, adsorption, or biological processes. They are made of densely packed synthetic or natural fibers that trap suspended particles, materials that block microbes or adsorb unwanted chemicals, or substances that cause a chemical change, such as acid neutralization. For most residential, commercial, and industrial applications, water filters are manufactured in the form of replaceable cartridges that fit inside permanent housings. Filtration systems typically consist of a series of two or more types of filters, each designed to remove different contaminants. The performance of filters is measured by the minimum particle size that is blocked, the percentage of particles or microorganisms that are removed, the downstream concentration of unwanted chemicals, the maximum flow rate, and the amount of water that can be filtered before the filter must be replaced. Water filters are used in a wide range of applications, including drinking water purification, swimming pools, industrial processes, and irrigation, among others.</p><p>Pentair manufactures industrial, commercial, and residential water filtration components and systems under the Pentek brand. The company, founded in 1966 and headquartered in Schaffhausen, Switzerland, meets International Organization for Standardization (ISO) standards 9001 and 14001 for quality assurance.</p></div>