Deep Adsorption, Improved Taste: VEVOR CTO activated carbon block filter effectively removes chlorine, odors, impurities, and other contaminants, enhancing the taste and smell of drinking water, providing a fresher and cleaner water experience High-Density Carbon Block: Our coconut shell activated carbon block filter has fine pores and strong adsorption, offering up to 5-micron filtration. It removes 99% of chlorine and traps small particles, absorbing dissolved contaminants for cleaner water Universal Cartridges: Featuring a standard 4.5" x 20" size, the replacement cartridges fit most filter housings and whole house water filter systems on the market. Easy to install and replace, with no additional modifications required High Capacity & Long-Lasting: VEVOR CTO carbon filter filters up to 100,000 gallons of water, ensuring smooth water flow. With a lifespan of 9-12 months (depending on water quality), it reduces replacement frequency and maintenance costs Fresh & Dependable: Constructed from natural coconut shell activated carbon without glue or adhesives. Our CTO filter is odorless and maintains water clarity, delivering refreshing results drop after drop