High Quality Materials: Membrane Solutions activated carbon filter is made of high quality coconut shell carbon. Outer layer has food grade plastic net wrapping PP non-woven fabric, which can last up to six months. High Absorption and Capacity: Made of high quality coconut carbon. Removing residual chlorine, odor and organic matter effectively. It has high adsorption performance. Both inside and outside of extruded activated carbon filter are wrapped by a layer of non-woven fabric, in order to ensure that the filter itself does not have carbon powder migration. 10″x2.5″ /10″x4.5″ 5µm CTO Carbon Block Sediment Water Filter Cartridges Replace. Membrane Solutions activated carbon filter is made of high quality coconut shell carbon. High Absorption and Capacity. Made of high quality coconut carbon. CTO filter is the best choice for filtering residual chlorine. It not only removes sediment in water, but also removes residual chlorine, chemicals, colors and odors in water to improve the quality of household water. Keep water clean and taste well. Protect your home, health, and appliances by filtering your water. Food Grade Efficiency Filtration. 10″ x 4.5″ or 10″ x 2.5″. 15,000 gallons water. Effectively removes 97% sediment, chlorine, organic chemicals and odor, etc. Cartridge, fits for big blue whole house filtration systems of 3M, GE, Culligan, Dupont, Pentek, Omni, Kenmore, Omnifilter, Whirlpool, Filtrete, etc. Easy to install, no tools required. Pressure: 80 psi; Max Temperature: 104°F (40°C). Our replacement water filter cartridge is verified by independent laboratory tests, compliance with. NSF 42 Certification standards. To ensure your safe. Drop-in designed for easy and quick filter change. Durable and sealed end caps with sealed silicon O-ring prevent leak. Provide quite clean and fresh water for your family. Every 6 months or earlier. Depending on your water quality. Cartridges may contain a very small amount of carbon fines (very fine black powder). After installation, follow the instructions for flushing the cartridge to remove the fines before using the water. You should flush the tap at least 20 seconds prior to using water for drinking or cooking purposes. This is particularly important if the tap has not been used daily. This filter needs to be replaced regularly. Otherwise, it will breed bacteria easily and cause secondary pollution of water. Do not use with water that is micro-biologically unsafe or of unknown quality without adequate disinfection before or after the system. 10″ x 4.5″ CTO Carbon Block. 1 Pack: 1x 5 Micron 10″x4.5″ CTO Carbon Block Water Filter. 2 Pack: 2x 5 Micron 10″x4.5″ CTO Carbon Block Water Filters. 3 Pack: 3x 5 Micron 10″x4.5″ CTO Carbon Block Water Filters. 4 Pack: 4x 5 Micron 10″x4.5″ CTO Carbon Block Water Filters. 5 Pack: 5x 5 Micron 10″x4.5″ CTO Carbon Block Water Filters. 6 Pack: 6x 5 Micron 10″x4.5″ CTO Carbon Block Water Filters. 7 Pack: 7x 5 Micron 10″x4.5″ CTO Carbon Block Water Filters. 8 Pack: 8x 5 Micron 10″x4.5″ CTO Carbon Block Water Filters. 9 Pack: 9x 5 Micron 10″x4.5″ CTO Carbon Block Water Filters. 10 Pack: 10x 5 Micron 10″x4.5″ CTO Carbon Block Water Filters. 10″ x 2.5″ CTO Carbon Block. 1 Pack: 1x 5 Micron 10″x2.5″ CTO Carbon Block Water Filter. 2 Pack: 2x 5 Micron 10″x2.5″ CTO Carbon Block Water Filters. 3 Pack: 3x 5 Micron 10″x2.5″ CTO Carbon Block Water Filters. 4 Pack: 4x 5 Micron 10″x2.5″ CTO Carbon Block Water Filters. 5 Pack: 5x 5 Micron 10″x2.5″ CTO Carbon Block Water Filters. 6 Pack: 6x 5 Micron 10″x2.5″ CTO Carbon Block Water Filters. 7 Pack: 7x 5 Micron 10″x2.5″ CTO Carbon Block Water Filters. 8 Pack: 8x 5 Micron 10″x2.5″ CTO Carbon Block Water Filters. 9 Pack: 9x 5 Micron 10″x2.5″ CTO Carbon Block Water Filters. 10 Pack: 10x 5 Micron 10″x2.5″ CTO Carbon Block Water Filters. Please Choose The Size and Quantity You Need In The Selection. After you received them. Returning items should include original package, invoice, accessories. Membrane solutions was established in the United States in 2006 and is headquartered in Texas. Committed to the research and development and production of microfiltration, ultrafiltration and reverse osmosis membranes and water purification products. Membrane solutions is committed to. Offering our customers exceptional selection and value. Providing the highest quality of service and products in the water treatment industry. Satisfying our customers with superior quality water filtration products that will lead to a healthier lifestyle. F you have any problem of the goods, please. Promise we will try our best to deal with your problem. We appreciate your patience and supports. Thank you for choosing us and have a great day!