The BB activated carbon block filters are made of 100% pure coconut shell carbon and wrapped with food-grade polypropylene. 4-6 Month Service Lifetime. Filters contaminants down to 5 microns. Provides up to 50,000 gallons or 6 months of water filtration (Depending on usage and local water quality). Ensure Safe Water Supply. Tested by independent third-party to meet NSF 42 Standards for material safety. Effectively removes chlorine, organics, undesirable colors, bad tastes, and odors from water and significantly improves the drinking water taste. Universal replacement for all 20″ x 4-1/2″ BB water filter housing and well-matched models of cartridges. The drop-in whole house replacement cartridge provides quick and easy filter change. Optimized to perform as both a sediment and activated carbon filter. The high porosity design helps prevent the cartridge from plugging before its adsorption capability is exhausted, maximizing the utilization of the carbon while maintaining a low pressure drop. This filter is usually installed in the whole house filtration system after the pre-filter or before water softener system, keep the water clean and tasty. Best choice to treat well water, municipal water, tap water, drinking water, etc. Activated carbon water filters are most effective at removing chlorine, particles such as sediment, volatile organic compounds, taste, and odor from water. No longer be bothered by smelly, bad tasting water. Provide a healthy living environment for you and your family. This water filter replacement cartridge is usually installed in the whole house filtration system after the pre-filter or before the water softener system, keep the water clean and tasty. It’s the best choice to treat well water, municipal water, tap water, drinking water, etc. Dimension: 20″ x 4.5″. Max Temperature: 104°F (40°C). Flow Rate: 10 GPM. Applicable pH value: 1-14. Filter Medium: Extruded Activated Carbon. Material: Premium Quality Coconut Shell Carbon. Lifetime: Replace the cartridge every 6 months or earlier- Depending on your water quality. Compatible Housings, Filter Systems, and Parts. Most brands’ 20″ x 4.5″ housings. Outer diameter 7.3. At the top and 23.5. AP810-2 / AP802B / AP802T. BB-20B / BB-20T / BC20-BB-5. SDC-45-2005 / CB-45-2005 / CB-45-2010 / HF45 Series Housings. FP25B / FC25B / WGB12B / WGB22B / WGB32B / WGB32BM. DGD-5005-20 / 150233 / 150235 / 150467. Pentek 155783-43, EPM-20BB, CBC-20BB, Trojan CB-BB-20. ClearChoice 84642, 84641, CCS031, Pelican CB-BB-20, Watts WCBCFF20. Express Water FLTWH2045C, FLTWH2045C02. Ronaqua 2C-20BB, 6C-20BB, RA-2CTO-20BB. Tier1 EP5-20BB, FHR-20-45-CARBON-KIT, COMIN16JU023031, etc. Pre-Filtration for Well Water and Municipal Tap Water. With the SimPure Whole House Water Filter System built with DB20P housings and filter cartridges, you can have peace of mind that it can purify the water coming into your home. The filter can keep the particles out of the pipes and plumbing fixtures, so you don’t need to spend extra on heavy repairs and parts replacements maintenance. Also, it can provide effective protection for the downstream pipeline, water purifier, water heater, wall-hung gas boiler, wash machine, shower, and other terminal water appliances. 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. 1 Pack: 1x CTO Carbon Block Water Filter (20″ x 4.5″). 2 Pack: 2x CTO Carbon Block Water Filters (20″ x 4.5″). 3 Pack: 3x CTO Carbon Block Water Filters (20″ x 4.5″). 4 Pack: 4x CTO Carbon Block Water Filters (20″ x 4.5″). 6 Pack: 6x CTO Carbon Block Water Filters (20″ x 4.5″). 8 Pack: 8x CTO Carbon Block Water Filters (20″ x 4.5″). 10 Pack: 10x CTO Carbon Block Water Filters (20″ x 4.5″). Not all of the filters are included in the package, please choose the quantity you need in the selection. Estimated delivered time is. After you received them. Returning items should include original package, invoice, accessories. Membrane Solutions is well established company with great experience and specialists in water purification. Our products are widely used in residential, commercial and industrial. Membrane Solutions is committed to. Offering our customers exceptional selection and value. Provide 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. We will appreciate for your help. We promise we will try our best to deal with your problem.