Top 10 AO Smith Water Filter – Replacement Under-Sink Water Filters

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1. AO Smith

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5 Micron Filtration, AO Smith AO-WH-PREV-R2-2.5 Inch Sediment Filter Replacement

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AO Smith #ad - Longer lasting appliances - whole house filter system designed to reduce sediment from every tap. Smith replacement filters for continued contaminant removal and system performance. O. Includes 2-pack of replacement sediment filters. 5 micron filtration - reduces sediment smaller than the human eye can see. Filter for use with: whole house sediment filter ao-wh-prev or AO-WH-PRE. Nsf certified to standard 42 for removal of particulate class V. Replacements made easy - no plumber necessary. Replace filter every 6 months. Use only certified, genuine A.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height9.75 Inches
Length5 Inches
Weight0.5 Pounds
Width2.5 Inches
Part NumberAO-WH-PREV-R2

2. AO Smith

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AO Smith Claryum Filter Replacement, 2 Pack

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AO Smith #ad - Nsf certified to standards 42, 53, and 401 +P473. O. Advanced filtration - reduces up to 99% of 77 harmful contaminants including lead, mercury, chlorine, pharmaceuticals, pesticides, asbestos, and more.

Replacement filter for: the clean water filter - 2-Stage AO-US-200 - Easily replace yourself without the need of a plumber. 2 pack of claryum filters which reduce harmful contaminants – those you can see, smell and taste, and those you can’t –  for optimally clean water. Smith replacement filters for continued contaminant removal and system performance. Use only certified, genuine A.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height5.5 Inches
Length2.25 Inches
Weight0.8 Pounds
Width2.25 Inches

3. AO Smith

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6yr, 600,000 Gl, AO-WH-Filter, AO Smith Whole House Water Filtration System Single-Stage Carbon, NSF Certified, Reduces 97% of Chlorine

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AO Smith #ad - System will not reduce TDS. No plumber needed. Works for all your water needs - system effectively filters water for use in drinking, cooking, showering & bathing. No drainage, back flushing or water-waste.

Long lasting & cost efficient - central filter lasts for 6-Years or 600, 000 Gallons, and comes with a 6-Year limited warranty. Please consult owners manual for full instructions. Improve skin, hair & air quality - reduce exposure to chlorine & other harmful chemicals that can cause excessive drying, and keep chlorine from evaporating into the air you breathe for cleaner air throughout your home.

Simple diy installation - package comes with central Water Filter, shut-off valve, hose adapter and nipple. Not a water softening system. May require some additional tools for installation. Advanced filtration for healthy, great tasting water - the ao-wh-filter reduces 97% of Chlorine tate & odor for clean water from every tap in your home. Perfect for households of 4 or more people.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height29 Inches
Length9 Inches
Weight43 Pounds
Width9 Inches

4. AO Smith

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AO Smith Main Faucet Filter Replacement

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AO Smith #ad - Replacement filter for: the clean Water Filter Mains AO-MF-ADV - Easy replacement, no plumber necessary. Filter lasts 784 gallons or 6 months - No water is wasted, and nothing is added to your water during the filtration process. Iapmo tested & certified to nsf/ansi standards 42, 53, and 401 +P473. Advanced filtration - reduces up to 99% of 77 harmful contaminants including lead, pesticides, mercury, chlorine, asbestos, pharmaceuticals, and more. Claryum filtration reduces harmful contaminants – those you can see, smell and taste, and those you can’t –  for optimally clean water.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height17 Inches
Length3.2 Inches
Width3.2 Inches

5. AO Smith

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Included Replacement Timer, AO Smith Single-Stage Whole House Water Filter

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AO Smith #ad - Smith Systems. Reminder timer - tells you when it's time to change your filters. Includes filter housing, housing wrench, and reminder timer. Filter cartridges sold separately. Filter system can be used as a stand alone system or with additional A. Longer lasting appliances - whole house filter system designed to reduce sediment from every tap. O. Large capacity 4. 5" filter is perfect for household sizes of 4+ people - Limited 1 year warranty.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height14.5 Inches
Length7.5 Inches
Weight5 Pounds
Width7.5 Inches

6. AO Smith

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AO Smith 2-Stage Under Sink Clean Water Faucet Filter, NSF Certified Carbon Block Drinking Water Filtration System, AO-US-200

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AO Smith #ad - Clean water straight from a dedicated faucet - connects with included tee to your 3/8 inch threaded cold water supply line to an additional faucet included with the system. Reduces lead, pharmaceuticals, pesticies, mercury, chlorine, asbestos, chloramine & more.

120 or less in annual maintenance cost. Full system certified to nsf/ansi standards 42, 43 and 401 +p473 - product is independently tested by IAOMP & certified to NSF performance standards, ensuring the structural integrity & quality of your entire system, not just the filtration media. Only takes a few minutes. Perfect for families of 1 to 4. Includes tubing needed for installation - no plumber required.

Filter lasts for 6 months/500 Gallons. Long lasting & cost effecient - no water is wasted and no harmful contaminants are added to your water during filtration. System will not reduce TDS. Purifies water & reduces 99% of 77 harmful contaminants - advanced filtration while leaving in all essential minerals. Access to filtered water whenever you need It - System filters water at 05 gallons per minute.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height8.75 Inches
Length4 Inches
Width8 Inches
Part NumberAO-US-200

7. AO Smith

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NSF Certified Direct Connect Main Faucet Clean Water Filtration, AO Smith Under Sink Water Filter System, AO-MF-ADV

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AO Smith #ad - Purifies water & reduces 99% of 77 harmful contaminants - advanced filtration while leaving in all essential minerals. Fast, filtered water - system filters water at 1. 5 gallons per minute. Includes all parts needed for installation - no plumber required.

Unit measures 4 x 4 x 20 inches. Reduces lead, asbestos, mercury, pesticies, chlorine, pharmaceuticals, chloramine & more. System will not reduce TDS. Filter lasts for 6 months/784 Gallons. Long lasting & cost effecient - no water is wasted and no harmful contaminants are added to your water during filtration. Full system certified to nsf/ansi standards 42, 43 and 401 +p473 - product is independently tested by IAOMP & certified to NSF performance standards, ensuring the structural integrity & quality of your entire system, not just the filtration media.

Perfect for families of 4 or more. Only takes a few minutes. Clean water straight from your faucet - connects directly to your kitchen sink's cold water line without the need for an additional faucet. 140 or less in annual maintenance cost.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height20.5 Inches
Length4 Inches
Weight3 Pounds
Width4 Inches
Part NumberAO-MF-ADV

8. AO Smith

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AO Smith AO-WH-PREL-R, 4.5 Inch Sediment Filter Replacement, 25 Micron Filtration

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AO Smith #ad - 25 micron filtration - reduces sediment smaller than the human eye can see. Smith filters for continued contaminant removal and system performance. O. Large capacity 4. 5" filter is perfect for household sizes 4 or more people. Replacements made easy - no plumber necessary. Replace filter every 6 months. Longer lasting appliances - whole house filter system designed to reduce sediment from every tap. Filter for use with: whole house filter system with Timer AO-WH-PREL. Package includes one replacement filter. Use only certified, genuine A.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height9.5 Inches
Length4.5 Inches
Weight0.5 Pounds
Width4.5 Inches

9. AO Smith

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Carbon Sediment Filter Replacement 4.5 Inch, 5 Micron Filtration, AO Smith AO-WH-PREL-RCP

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AO Smith #ad - Filter for use with: whole house filter system with Timer AO-WH-PREL. Replacements made easy - no plumber necessary. Replace filter every 6 months. O. Use only certified, genuine A. Large capacity 4. 5" filter is perfect for household sizes 4 or more people. Longer lasting appliances - whole house filter system designed to reduce sediment from every tap. Smith filters for continued contaminant removal and system performance. 5 micron filtration - reduces sediment smaller than the human eye can see. Includes one replacement filter.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height9.5 Inches
Length4.5 Inches
Weight1 Pounds
Width4.5 Inches

10. AO Smith

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Carbon Block Sediment Filter Replacement 4.5 Inch, AO Smith AO-WH-PREL-RC, 25 Micron Filtration

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AO Smith #ad - Large capacity 4. 5" filter is perfect for household sizes 4 or more people. Includes one replacement filter. O. Use only certified, genuine A. Longer lasting appliances - whole house filter system designed to reduce sediment from every tap. 25 micron filtration - reduces sediment smaller than the human eye can see. Filter for use with: whole house filter system with Timer AO-WH-PREL. Smith filters for continued contaminant removal and system performance. Replacements made easy - no plumber necessary. Replace filter every 6 months.
BrandAO Smith #ad
ManufacturerAO Smith #ad
Height9.5 Inches
Length4.5 Inches
Weight2 Pounds
Width4.5 Inches