The Aquasana EQ-1000 Whole House Filter unit reduces >97% of the chlorine coming into your home through the municipal water supply. The EQ-1000 has three filtration stages to optimize contaminant reduction: a five-micron pre-filter to remove rust, dirt and microscopic particles; a tank containing a blend of copper-zinc oxidation media and crushed mineral stone to reduce chlorine and balance the p H; and a final tank containing a high-grade activated carbon for final reduction of chlorine and other contaminants. Enjoy great-tasting and odor-free filtered water from every tap or shower in your home. The unit comes complete with main filter unit, pre-filter, installation kit, shut-off valve and all the required hardware. Unlike water softeners, the EQ-1000 does not require salt, back-flushing or electricity to operate. The filtration tanks last for ten years or 1,000,000 gallons. The Premium Whole House Filter comes with a 90-day satisfaction guarantee and a ten-year warranty. Compare to Culligan and other water softeners, and you'll see why the reviews agree that Aquasana has great filtration technology at a great value. For a powerful water filter at a great price, think Aquasana. It means healthy water. Not Aquasauna, Aqua Sana or Aguasana. Made in the USA by Aquasana, Inc., a Texas Corporation. BREATHE EASY with cleaner, healthier air. Chlorine and volatile organic chemicals (VOCs) can evaporate in shower steam, contaminating the air you breathe. Instantly improve your indoor air quality by filtering the water throughout your home. FULL SYSTEM NSF CERTIFIED TO REMOVE 97% OF CHLORINE. Only the best whole house systems on the market can boast full system NSF Certification. The EQ-600 Rhino is NSF tested and certified to remove 97% of chlorine for 600,000 gallons or 6 years. Full system NSF Certification guarantees: Structural integrity of the entire system certified to NSF performance standards, ensuring the quality of your entire system and not just the filtration me