Anchor 2-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 1 carbon block filter cartridges. The double stage design gives you clean water from every faucet of your home. 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.