3-Stage Sediment and Dual Carbon Block Whole House Water Filtration System, 4.5 x 20 in.


Anchor AF-6003 3-Stage Whole House filtration systems are designed to meet your large capacity filtration needs, and are ideal for high-flow, commercial, and industrial applications, including farms, restaurants, swimming pools, spas, and trickle irrigation. These systems feature 1 sediment filter and 2 carbon block filter cartridges. The 2 carbon briquettes double up on filtering out heavy cholorine and organic matter from water without release of carbon fines. The triple stage design ensures best results to give you the cleanest water from every faucet of your home or building. The system filters water at the point-of-entry to the house with zero wasted water. Enjoy the convenience of clean, refreshing water and reduce your exposure to health affecting contaminants. Also get softer skin & hair, cleaner laundry, and stain free sinks & bathtubs, free from drying & staining effects of chemicals. The 20 in. filter housings are made from NSF-certified FDA-grade durable polypropylene and are of highest quality. These heavy-duty housings can withstand a wide range of variations in water pressure and have a long service life.



  • Point of Entry (POE) or Point of Use (POU) filtration system with 3 large 20-in. filter cartridges for high-flow applications
  • Capacity Estimate of 100,000 gallons
  • Stage 1 – 20 in. 5-micron polypropylene sediment pre-filter that removes sediment, silt, sand, and dirt, and extends the life of other more expensive cartridges
  • Stage 2 & 3 – 20 in. 5-micron carbon block cartridges to absorb heavy chlorine and its byproducts such as THM, and TCE
  • The unique pore structure of carbon is well suited for chemicals absorption, including SOCs such as pesticides and dioxins, and VOCs such as chloroform and petrochemicals
  • The carbon block filter cartridge is made from coconut shell carbon that reduces compounds that contribute to bad taste and odor and creates sweeter-tasting water
  • Pressure relief button on each housing
  • High chemical absorption capacity
  • No channeling and pressure drop
  • In the box: Assembled Filter system with filters, steel mounting bracket with bolts, housing wrench, instructions


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