--- product_id: 161066957 title: "A. O. Smith AO-MF-B-R Genuine Replacement | For Use with AO-MF-B-R" brand: "a. o. smith" price: "198 zΕ‚" currency: PLN in_stock: true category: "A. O. Smith" url: https://www.desertcart.pl/products/161066957-a-o-smith-ao-mf-b-r-genuine-replacement-use store_origin: PL region: Poland --- # 6-month filter lifespan Zero water waste filtration NSF Certified Standard 42 A. O. Smith AO-MF-B-R Genuine Replacement | For Use with AO-MF-B-R **Brand:** a. o. smith **Price:** 198 zΕ‚ **Availability:** βœ… In Stock ## Summary > πŸ’§ Refresh Your Routine with Certified Clean Water ## Quick Answers - **What is this?** A. O. Smith AO-MF-B-R Genuine Replacement | For Use with AO-MF-B-R by a. o. smith - **How much does it cost?** 198 zΕ‚ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/161066957-a-o-smith-ao-mf-b-r-genuine-replacement-use) ## Best For - a. o. smith enthusiasts ## Why This Product - Trusted a. o. smith brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Taste the Difference:** Advanced carbon block technology reduces chlorine, silt, rust, and sediment for crisp, clean water every time. - β€’ **Seamless Compatibility:** Genuine A. O. Smith replacement ensures optimal performance with your AO-MF-B system. - β€’ **Eco-Friendly Filtration:** No water wasted and no additivesβ€”pure, sustainable hydration straight from your tap. - β€’ **Certified Purity Assurance:** NSF Standard 42 certification guarantees chlorine taste and odor removal for pristine water quality. - β€’ **Effortless 6-Month Protection:** Long-lasting filter cartridge designed to keep your water fresh for half a year with minimal upkeep. ## Overview The A. O. Smith AO-MF-B-R is a genuine replacement carbon block filter cartridge certified to NSF Standard 42, designed for the AO-MF-B undersink water filtration system. It effectively reduces chlorine taste and odor, as well as silt, rust, and sediment, delivering fresh, clean water without wasting any. Each filter lasts up to 6 months, offering an affordable and eco-conscious solution for superior tap water quality. ## Description The A. O. Smith Universal Under Sink Carbon Block Cartridge reduces chlorine, silt, rust and sediment. The carbon also helps to improve taste and odor. ## Features - Replacement filter for: AO Smith Undersink Water Filter (AO-MF-B) - NSF certified to standard 42 for chlorine taste and odor. - Use only certified, genuine A. O. Smith replacement filters for continued contaminant removal and system performance. - Single stage water filtration from your existing faucet - Reduces chlorine taste and odor. - No water is wasted, and nothing is added to your water during the filtration process. - Filter lasts 6 months with an annual replacement cost of $40 or less - Includes one filter replacement cartridge. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07R8JNHPD | | Best Sellers Rank | #41,277 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #259 in Replacement Under-Sink Water Filters | | Brand Name | A. O. Smith | | Customer Reviews | 4.7 4.7 out of 5 stars (448) | | External Testing Certification | NSF | | Item Dimensions D x W x H | 5"D x 5"W x 12.8"H | | Item Weight | 8 ounces | | Manufacturer | AO Smith | | Material Type | Carbon Fiber | | Model Number | AO-MF-B-R | | Number of Items | 1 | | Product Benefits | Reduces chlorine taste and odor | | Unit Count | 1 Count | ## Product Details - **External Testing Certification:** NSF - **Item Weight:** 8 ounces - **Material:** Carbon Fiber - **Product Benefits:** Reduces chlorine taste and odor - **Product Dimensions:** 5"D x 5"W x 12.8"H ## Images ![A. O. Smith AO-MF-B-R Genuine Replacement | For Use with AO-MF-B-R - Image 1](https://m.media-amazon.com/images/I/71NNQa856mL.jpg) ![A. O. Smith AO-MF-B-R Genuine Replacement | For Use with AO-MF-B-R - Image 2](https://m.media-amazon.com/images/I/214+yTzZFUL.jpg) ![A. O. Smith AO-MF-B-R Genuine Replacement | For Use with AO-MF-B-R - Image 3](https://m.media-amazon.com/images/I/31n+vVF86VL.jpg) ![A. O. Smith AO-MF-B-R Genuine Replacement | For Use with AO-MF-B-R - Image 4](https://m.media-amazon.com/images/I/41shtjZm9ML.jpg) ![A. O. Smith AO-MF-B-R Genuine Replacement | For Use with AO-MF-B-R - Image 5](https://m.media-amazon.com/images/I/41HQgJGzM-L.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - AO Smith AO-MF-B-R Under Sink Water Filter Replacement - NSF Certified - AO Smith 2.5"x10" 5 Micron Carbon Wrap Sediment Water Filter Replacement Cartridge - 2 Pack - For Whole House Filtration Systems - AO-WH-PRE-RCP2 - AO Smith 2.5"x10" 5 Micron Sediment Water Filter Replacement Cartridge - 2 Pack - For Whole House Filtration Systems - AO-WH-PREV-R2 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/161066957-a-o-smith-ao-mf-b-r-genuine-replacement-use](https://www.desertcart.pl/products/161066957-a-o-smith-ao-mf-b-r-genuine-replacement-use) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-08-27*