{"product_id":"a-o-smith-direct-connect-carbon-block-under-sink-replacement-filter","title":"A.O. Smith Direct Connect Carbon Block Under Sink Replacement Filter - AO-MF-R","description":"\u003ch2\u003eA.O. Smith Direct Connect Carbon Block Under Sink Replacement Filter - AO-MF-R\u003c\/h2\u003e\n\u003cul class=\"bullets\"\u003e\n\u003cli\u003e\n\u003cp\u003eReplacement filter for: main faucet filter with chlorine, lead, and cyst reduction (AO-MF)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse only certified, genuine A O smith replacement filters for continued contaminant removal and system performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplacements made easy - no plumber necessary\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBasic filtration - reduces up to 99% of 9 harmful contaminants including chlorine, lead, cysts, atrazine, lindane and turbidity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNo water is wasted, and nothing is added to your water during the filtration process\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIAPMO certified to NSF\/ANSI standards 42, 53 and 401.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFilter lasts 1,389 gallons or 6 months\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes one carbon block filter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"6dexe\" data-start=\"27\" data-end=\"381\"\u003e\n\u003cp data-start=\"29\" data-end=\"381\"\u003e\u003cstrong data-start=\"29\" data-end=\"63\"\u003eTrusted Multi‑Stage Filtration\u003c\/strong\u003e – The \u003cstrong data-start=\"70\" data-end=\"152\"\u003eA.O. Smith 2‑Stage Carbon Block Under Sink Water Filtration System (AO‑US‑200)\u003c\/strong\u003e uses \u003cstrong data-start=\"158\" data-end=\"195\"\u003etwo Claryum® carbon block filters\u003c\/strong\u003e to reduce up to \u003cstrong data-start=\"212\" data-end=\"307\" data-is-only-node=\"\"\u003e99 % of 78 harmful contaminants including lead, PFAS, chlorine, mercury and pharmaceuticals\u003c\/strong\u003e, while preserving healthy minerals. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"myyafv\" data-start=\"383\" data-end=\"627\"\u003e\n\u003cp data-start=\"385\" data-end=\"627\"\u003e\u003cstrong data-start=\"385\" data-end=\"422\"\u003eCertified Quality You Can Rely On\u003c\/strong\u003e – Fully \u003cstrong data-start=\"431\" data-end=\"485\"\u003eWQA certified to NSF\/ANSI standards 42, 53 and 401\u003c\/strong\u003e, ensuring the system’s filtration performance and structural quality meet recognized safety benchmarks. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13nl3fe\" data-start=\"629\" data-end=\"857\"\u003e\n\u003cp data-start=\"631\" data-end=\"857\"\u003e\u003cstrong data-start=\"631\" data-end=\"675\"\u003eDedicated Brushed Nickel Faucet Included\u003c\/strong\u003e – Comes with a \u003cstrong data-start=\"691\" data-end=\"733\"\u003e100 % lead‑free, brushed nickel faucet\u003c\/strong\u003e that delivers filtered water on demand without altering your existing kitchen faucet. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c9q4td\" data-start=\"859\" data-end=\"1096\"\u003e\n\u003cp data-start=\"861\" data-end=\"1096\"\u003e\u003cstrong data-start=\"861\" data-end=\"896\"\u003eCost‑Effective and Eco‑Friendly\u003c\/strong\u003e – Filters last \u003cstrong data-start=\"912\" data-end=\"945\"\u003eup to 6 months or 500 gallons\u003c\/strong\u003e, with \u003cstrong data-start=\"952\" data-end=\"969\"\u003eno wastewater\u003c\/strong\u003e during operation — making this system efficient and more sustainable than bottled water. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gd3c0d\" data-start=\"1098\" data-end=\"1306\"\u003e\n\u003cp data-start=\"1100\" data-end=\"1306\"\u003e\u003cstrong data-start=\"1100\" data-end=\"1122\"\u003eDIY‑Friendly Setup\u003c\/strong\u003e – Installation is designed to be straightforward with all necessary parts included, often \u003cstrong data-start=\"1213\" data-end=\"1237\"\u003erequiring no plumber\u003c\/strong\u003e in standard under‑sink setups. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mcohxv\" data-start=\"1308\" data-end=\"1530\"\u003e\n\u003cp data-start=\"1310\" data-end=\"1530\"\u003e\u003cstrong data-start=\"1310\" data-end=\"1343\"\u003eNoticeably Better Water Taste\u003c\/strong\u003e – Many users report \u003cstrong data-start=\"1364\" data-end=\"1392\"\u003eimproved taste and smell\u003c\/strong\u003e from filtered water compared to unfiltered tap water, ideal for drinking, cooking, coffee, and tea. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1awisb5\" data-start=\"1532\" data-end=\"1745\"\u003e\n\u003cp data-start=\"1534\" data-end=\"1745\"\u003e\u003cstrong data-start=\"1534\" data-end=\"1569\"\u003ePractical Flow for Everyday Use\u003c\/strong\u003e – Delivers water at a \u003cstrong data-start=\"1592\" data-end=\"1611\"\u003esteady ~0.5 GPM\u003c\/strong\u003e, suited to kitchens serving 1–4 people, though some find the flow slower than a regular faucet. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eqm6c0\" data-start=\"1747\" data-end=\"1969\"\u003e\n\u003cp data-start=\"1749\" data-end=\"1969\"\u003e\u003cstrong data-start=\"1749\" data-end=\"1777\"\u003eMixed Long‑Term Feedback\u003c\/strong\u003e – While many owners value the water quality and ease of installation, \u003cstrong data-start=\"1848\" data-end=\"1903\"\u003esome report issues with leaks or fitting challenges\u003c\/strong\u003e if not installed carefully.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"223\" data-end=\"490\"\u003e\u003cstrong data-start=\"223\" data-end=\"266\"\u003eQ1: What is the A.O. Smith G6‑T4035NVR?\u003c\/strong\u003e\u003cbr data-start=\"266\" data-end=\"269\"\u003eA: The \u003cstrong data-start=\"276\" data-end=\"316\"\u003eA.O. Smith Signature 100 G6‑T4035NVR\u003c\/strong\u003e is a \u003cstrong data-start=\"322\" data-end=\"383\"\u003e40‑gallon commercial\/residential natural gas water heater\u003c\/strong\u003e built for reliable hot water delivery in homes sized for 3–4 people. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"492\" data-end=\"703\"\u003e\u003cstrong data-start=\"492\" data-end=\"539\"\u003eQ2: How much heating power does it provide?\u003c\/strong\u003e\u003cbr data-start=\"539\" data-end=\"542\"\u003eA: It features a \u003cstrong data-start=\"559\" data-end=\"600\"\u003e35,500 BTU low‑NOx natural gas burner\u003c\/strong\u003e that delivers efficient hot water and meets emissions standards. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"705\" data-end=\"957\"\u003e\u003cstrong data-start=\"705\" data-end=\"756\"\u003eQ3: What capacity and performance can I expect?\u003c\/strong\u003e\u003cbr data-start=\"756\" data-end=\"759\"\u003eA: The tank has a \u003cstrong data-start=\"777\" data-end=\"823\"\u003e40‑gallon nominal capacity (≈38 gal rated)\u003c\/strong\u003e and can produce an estimated \u003cstrong data-start=\"853\" data-end=\"886\"\u003e≈65 gallons in the first hour\u003c\/strong\u003e of use when sized appropriately. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"959\" data-end=\"1170\"\u003e\u003cstrong data-start=\"959\" data-end=\"1005\"\u003eQ4: What warranty does this model include?\u003c\/strong\u003e\u003cbr data-start=\"1005\" data-end=\"1008\"\u003eA: It comes with a \u003cstrong data-start=\"1027\" data-end=\"1072\"\u003e6‑year limited warranty on tank and parts\u003c\/strong\u003e plus a \u003cstrong data-start=\"1080\" data-end=\"1113\"\u003e1‑year limited labor warranty\u003c\/strong\u003e for peace of mind. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1172\" data-end=\"1440\"\u003e\u003cstrong data-start=\"1172\" data-end=\"1229\"\u003eQ5: What safety and diagnostic features does it have?\u003c\/strong\u003e\u003cbr data-start=\"1229\" data-end=\"1232\"\u003eA: Features include a \u003cstrong data-start=\"1254\" data-end=\"1322\"\u003eself‑diagnostic electronic gas control with LED status indicator\u003c\/strong\u003e and a \u003cstrong data-start=\"1329\" data-end=\"1401\"\u003ebuilt‑in safety system to reduce accidental flammable vapor ignition\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1442\" data-end=\"1662\"\u003e\u003cstrong data-start=\"1442\" data-end=\"1488\"\u003eQ6: Is it easy to install in tight spaces?\u003c\/strong\u003e\u003cbr data-start=\"1488\" data-end=\"1491\"\u003eA: Yes — its \u003cstrong data-start=\"1504\" data-end=\"1550\"\u003etall, slim 61.75″ H × 20″ diameter profile\u003c\/strong\u003e makes it suitable for narrow installations like closets or utility rooms. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1664\" data-end=\"1848\"\u003e\u003cstrong data-start=\"1664\" data-end=\"1696\"\u003eQ7: How durable is the unit?\u003c\/strong\u003e\u003cbr data-start=\"1696\" data-end=\"1699\"\u003eA: A protective \u003cstrong data-start=\"1715\" data-end=\"1758\"\u003eanode rod and fused ceramic tank shield\u003c\/strong\u003e help reduce corrosion and extend water heater life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1850\" data-end=\"2040\"\u003e\u003cstrong data-start=\"1850\" data-end=\"1892\"\u003eQ8: Can it be used at high elevations?\u003c\/strong\u003e\u003cbr data-start=\"1892\" data-end=\"1895\"\u003eA: This model is \u003cstrong data-start=\"1912\" data-end=\"1961\"\u003ehigh‑altitude certified up to about 10,100 ft\u003c\/strong\u003e, making it versatile for many locations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"13padw1\" data-start=\"93\" data-end=\"284\"\u003e\n\u003cp data-start=\"95\" data-end=\"284\"\u003e\u003cstrong data-start=\"95\" data-end=\"123\"\u003eFlush the Tank Annually:\u003c\/strong\u003e Drain and flush the storage tank at least once per year to remove sediment buildup that reduces efficiency and lifespan. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1f1ouse\" data-start=\"285\" data-end=\"491\"\u003e\n\u003cp data-start=\"287\" data-end=\"491\"\u003e\u003cstrong data-start=\"287\" data-end=\"309\"\u003eInspect Anode Rod:\u003c\/strong\u003e Check the sacrificial anode rod after the first 6 months and then annually; replace when heavily corroded to prevent internal tank corrosion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zib9va\" data-start=\"492\" data-end=\"668\"\u003e\n\u003cp data-start=\"494\" data-end=\"668\"\u003e\u003cstrong data-start=\"494\" data-end=\"520\"\u003eTest T\u0026amp;P Relief Valve:\u003c\/strong\u003e Lift the temperature \u0026amp; pressure relief (T\u0026amp;P) valve once a year to ensure proper pressure relief and safety. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yp7xf5\" data-start=\"669\" data-end=\"871\"\u003e\n\u003cp data-start=\"671\" data-end=\"871\"\u003e\u003cstrong data-start=\"671\" data-end=\"703\"\u003eCheck for Leaks \u0026amp; Corrosion:\u003c\/strong\u003e Periodically inspect around water connections, drain valve, fittings, and vent piping for leaks or corrosion; address promptly. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"r4i3sz\" data-start=\"872\" data-end=\"1080\"\u003e\n\u003cp data-start=\"874\" data-end=\"1080\"\u003e\u003cstrong data-start=\"874\" data-end=\"900\"\u003eClean Exterior \u0026amp; Vent:\u003c\/strong\u003e Wipe the exterior to keep it free of dust; verify proper venting and clear obstructions to maintain combustion efficiency and safe exhaust. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zxdvo3\" data-start=\"1081\" data-end=\"1250\"\u003e\n\u003cp data-start=\"1083\" data-end=\"1250\"\u003e\u003cstrong data-start=\"1083\" data-end=\"1115\"\u003eMonitor Temperature Setting:\u003c\/strong\u003e Keep thermostat at recommended ~120 °F to balance comfort, energy savings, and reduce scaling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"A.O. Smith","offers":[{"title":"Default Title","offer_id":43533443432522,"sku":"Item # 12231968 | Model # AO-MF-R","price":52.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/2387\/2074\/files\/image_988965e3-6ecc-4d1e-9454-1b707ca27f5e.png?v=1776876123","url":"https:\/\/wen0d6-q0.myshopify.com\/es\/products\/a-o-smith-direct-connect-carbon-block-under-sink-replacement-filter","provider":"Power Gear for Every Journey","version":"1.0","type":"link"}