APEC Water Systems CB1-CAB20-BB APEC Whole House Carbon Water Filter with 20" Big Blue Home Filtration System Removes chlorine, taste, odor and organic compounds (VOCs) to deliver clean water to every outlet 25 micron activated Carbon filter can treat up to 100,000 gallons of water at a fast flow rate 1 inch FPT inlet and outlet ports for fast water flow perfect for whole house use, restaurants or cafes Strong, durable 20 inch housing tolerates broad range of chemicals & pressure variations Chlorine-free, clean water protects skin, hair, lungs & health during Showers and baths