2-8 Pack 10″x4.5″ 5μm Carbon Block Water Filter Sediment Replacement Cartridges RECOGNIZED CERTIFICATION – Food Grade Material Meets TUV, ROHS, REACH, BPA FREE Certified. The filter reduces up to 99% of Chlorine, sand, rust, sediment, color, odor. This kind of filter is recommended for tap water filtration. MULTI-LAYER DENSITY TECH – The whole house water filter is designed with density three PP layers and Coconut Shell Activated Carbon Layer to remove most contaminants and deliver great fresh water. The multi-layer density tech can capture impurities targetedly and have 30% longer service life than the other common type. HIGH CAPACITY – The filter can filter up to 15000 gallons depending on water quality. Suggest to replace it every 3-6 months for the average household for optimal performance depending on the use. Let it bring a wonderful cleaner water experience to your loved ones. COMPATIBLE MODELS – The filter can be used in any standard 10″x 4.5″ heavy duty Big Blue filter housings and compatible for standard 10 inch X 4.5 inch filter models of GE, Culligan, Dupont, Kenmore, Omnifilter, Whirlpool. Replacement for 10″ x 4.5″ big blue filter housing like American Plumber, GXWH35F, WRC25HD, GXWH40L, GXWH30C, GXWH38F, GNQH38S and most systems with 10″ x 4.5″ filters, GE FXHTC, American Plumber WRC25HD,WHIRLPOOL WHKF-WHPCBB, Pentek RFC-BB and Culligan RFC-BB water filter. Compatible Replacement Filters – GE FXHTC, GXWH40L, American Plumber GXWH35F, GNWH38S, WHIRLPOOL WHKF-WHPCBB, WRC25HD, GXWH30C, GNQH38S, Pentek RFC-BB, Culligan RFC-BB ,HD-950A, Whirlpool WHKF-GD25BB, RFC-BBSA, and most systems with 10″x4.5″ filters. Specifications:Micron rating:5 MicronSize: 10″ x 4.5″（Inside diameter 1.1 inches, outer diameter 4.52 inches, height 9.84 inches）Max. Pressure: 80 psiMax Temperature: 104°F (40°C)Material: Premium Quality Coconut Shell CarbonLifetime: Replace the cartridge every 6 months or earlier—Depending on your water quality.High Quality MaterialsFood Grade Efficiency FiltrationUniversal Filtration 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 Include:2 Pack: 2X 10″X4.5″ CTO Carbon Block Water Filters4 Pack: 4X 10″X4.5″ CTO Carbon Block Water Filters6 Pack: 6X 10″X4.5″ CTO Carbon Block Water Filters8 Pack: 8X 10″X4.5″ CTO Carbon Block Water Filters(Please Choose The Quantity You Need In The Selection) ShippingPaymentReturnAbout usContact usShipping Fast shipping by USA LOCAL FAST SHIPPING, All of the products will be shipped out within 1 working dayafter we received the payment and your contact phone number. Why Choose the USA Stock? 1. USA Local Shipping, No Extra Customs Cost to USA 2. Fast Delivery: 2-5 Working days Delivery 3. Best After-Sales Service!!!Payment We accept all major Credit cards, PayPal, and Google Pay. Return1. Accept FREEreturn in 30 days for refund or replacement, goods in resalable condition. 2. Contact for address and reference number before return(note: unannounced parcel may be returned to wrong address, seller will not be responsible for this). 3. No factory warranty for the man-made damage.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 us 1. If you are satisfied with our product or our service, please leave Positive Feedback and 5-Stars ★★★★★, we will appreciate for your help. 2. If you have any problem of the goods, please contact us before you leave a negative feedback.We promise we will try our best to deal with your problem. 3. Our working time : 9:00am – 18:pm (Monday – Friday). Please feel free to contact us if any questions or inquiry.