Protect your home, health, and appliances by filtering your water with a carbon filter. The 2 Pack Express Water Filter Whole House Activated Carbon Block reduces major impurities from your water supply and provides clean water for drinking, showering, cooking, and other home uses. The ACB reduces major water impurities like Chlorine, Total Organic Carbon (TOC), Pharmaceuticals, Turbidity, Volatile Organic Chemicals (VOC), Industrial Solvents, and Chemicals causing bad tastes, odors, and more. Shower without harsh chlorine. Give healthier water to your pets. Extend the life of your dishwasher, laundry machine, washing machine, other appliances, and reduce your energy cost with a whole house water filter. The ACB filters are good for up to 100,000 gallons or 6-12 months. This is based on average water quality. Your 20-inch carbon filter life may be different depending on your water quality, temperature, and incoming pressure. Fits any standard 4.5” x 20” whole house filter housing. This durable, heavy-duty whole house filter can deliver up to 0.25 gallons of water every second. The carbon filter works with 45-125 psi and water temperatures between 40-100°F. The replacement filter is vacuum sealed and complete with a polypropylene shell, a thermal bonded cap, and an industrial sealed silicon ring to make sure it’s durable and reliable. Filter your water with high quality coconut carbon for maximum chemical absorption through a reverse osmosis system replacement filter. Choose the carbon replacement filter that lasts longer to give you the best value in filtration. The Express Water Activated Carbon Block Whole House Filter 2 Pack FLTWH2045C02 is the best in carbon filtration.