1-18 Pack 20″x4.5″ 5 Micron CTO Carbon Block Water Filter Whole House CartridgesWhy choose us? Membrane Solutions is well-known membrane separation company with great experience and specialists in water purification. Our filtered products are widely used in residential, commercial and industrial water treatment.Membrane Solutions is committed to: Offering a special choice and add-value for our clients. Providing the most reliable filter products and highest service quality in the water treatment industry. Satisfying our customers with superior quality filtration products which provides you a much healthier lifestyle.What is a carbon block water filter cartridge? It’s usually placed as the third stage of the water filtration system to remove Residual Chlorine, Chemicals, VOCs, Bad Taste from well water / hard water / tap water / municipal water / drinking water, etc.Standard Dimension: 5 Micron 20 inches x 4.5 inches universal filter cartridge fits for most 20 inch big blue whole house water filter systems of 3M, GE, Culligan, Dupont, Pentek, Whirlpool, Filtrete, etc.Improve Water Quality: 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.Ensure Safe Water Supply: Our carbon filter cartridge is made of high-quality coconut shell carbon. The outer layer has food-grade plastic net wrapping PP non-woven fabrics, in order to ensure that the filter itself does not have carbon powder migration. Both ends of the filter equipped with a rubber gasket which makes the filter have good sealing. It meets the NSF 42 certification.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.Protect Household Appliance: 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.4-6 Month Service Lifetime: Filtration capacity up to 40,000 gallons, and the replacement cycle is TWO or Three times one year depending on the feed water quality. It’s time to replace filter when the taste of the water is odorous or the water flow is reduced. Recommended for use with melt blown cartridges to extended service life.Specification: Micron rating: 5 Micron Dimension: 20″ x 4.5″ Max. Pressure: 80 psi 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 Replacement Filters: For ClearChoice 84642, 84641, Pelican CB-BB-20, Pentek 155783-43, EPM-20BB, CBC-20BB, Trojan CB-BB-20, iSpring FC25B, Hydronix CB-45-2005, CB-45-2010, Watts WCBCFF20; For BLUONICS BLCTO20X2, BLCTO20X4, ClearChoice CCS031, Express Water FLTWH2045C, FLTWH2045C02, Geekpure BC20-BB-5, Harmsco HAC-BB-20-W, iSpring FC25BX4, KX Matrikx 32-450-20-GREEN, KX-MATRIKX-CTO2-HD20, Pentek 255678-43, EP20-BB, Purenex 2C-20BB, Ronaqua 2C-20BB, 6C-20BB, RA-2CTO-20BB, Tier1 EP5-20BB, FHR-20-45-CARBON-KIT, COMIN16JU023031, Water Filters Depot (WFD) WF-CB205-BB, Wholesale Market LLC BBCTO-20B4, CTO20B4, MAX WATER USA Inc. 104114-4, etc.Compatible Housings, Filter Systems, and Parts:Most brands’ 20″ x 4.5″ housings (Outer diameter 7.3″ at the top and 23.5″ of height approx.)SimPure DB20 / DB20PAqua-Pure AP810-2 / AP802B / AP802TGeek-Pure BB-20B / BB-20T / BC20-BB-5 Hydronix SDC-45-2005 / CB-45-2005 / CB-45-2010 / HF45 Series HousingsiSpring FP25B / FC25B / WGB12B / WGB22B / WGB32B / WGB32BMPen-tek DGD-5005-20 / 150233 / 150235 / 150467Pentek 155783-43, EPM-20BB, CBC-20BB, Trojan CB-BB-20ClearChoice 84642, 84641, CCS031, Pelican CB-BB-20, Watts WCBCFF20;BLUONICS BLCTO20X2, BLCTO20X4;Express Water FLTWH2045C, FLTWH2045C02Ronaqua 2C-20BB, 6C-20BB, RA-2CTO-20BBTier1 EP5-20BB, FHR-20-45-CARBON-KIT, COMIN16JU023031, etc. Warm Notes: *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. Package List: 1 Pack: 1x CTO Carbon Block Water Filters (20″*4.5″) 2 Pack: 2x CTO Carbon Block Water Filters (20″*4.5″) 3 Pack: 3x CTO Carbon Block Water Filters (20″*4.5″) 4 Pack: 4x CTO Carbon Block Water Filters (20″*4.5″) 6 Pack: 6x CTO Carbon Block Water Filters (20″*4.5″) 8 Pack: 8x CTO Carbon Block Water Filters (20″*4.5″) 10 Pack: 10x CTO Carbon Block Water Filters (20″*4.5″) 12 Pack: 12x CTO Carbon Block Water Filters (20″*4.5″) 16 Pack: 16x CTO Carbon Block Water Filters (20″*4.5″) 18 Pack: 18x CTO Carbon Block Water Filters (20″*4.5″) Please Note: Not all of the filters are included in the package, please choose the quantity you need in the selection.PaymentDelivery detailsReturnsAbout usContact usPayment1. We accept PayPal only.2. All major credit cards are accepted through secure payment processor PayPal.3. Payment must be received within 3 business days of auction closing.4. We ship to your eBay or PayPal address. Please make sure your eBay and PayPal address is correct before you pay.Delivery details1. We ship to your eBay or Paypal address. Please make sure your eBay and PayPal address is correct before you pay.2. Items will be shipped within 1 business day when we received payment. Delivery time: USPS/Fedex: 1-5 Business days.3. Delivery time depends on destination and other factors.Returns1. All the selling price do not includes import tax,sales tax etc.2. All the items can be returned within 30 days after you received them.3. Returning items should include original package,invoice,accessories.About us 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: 1. Offering our customers exceptional selection and value. 2. Providing the highest quality of service and products in the water treatment industry. 3. Satisfying our customers with superior quality water filtration products that will lead to a healthier lifestyle.Contact usIf you have any problem of the goods, please Feel Free To Contact Us. We 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!On Oct 18, 2023 at 22:28:15 PDT, seller added the following information: