What's the main difference between the A.O. Smith and ICEPURE WFS5300A?

Both are compact under-sink water filters, but they differ on key spec dimensions including performance, price tier, and intended use case. See the side-by-side comparison on this page for the full spec breakdown, or take the personalized quiz to find which fits your specific needs.

A.O. Smith vs ICEPURE WFS5300A: Which Is Right for You?

Q: When should I choose the A.O. Smith?

Reverse Osmosis. NSF/ANSI 42. 1-2 Years

Q: When should I choose the ICEPURE WFS5300A?

Reverse Osmosis. NSF/ANSI 42. More than 2 Years

Versus · Compact Under-Sink Water Filters

A.O. SmithVSICEPURE WFS5300A

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A.O. Smith and ICEPURE WFS5300A are remarkably close overall. In this category, the right choice depends on your specific priorities.

or find your top pick across all compact under-sink water filters

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Updated Apr 14, 20263+ dimensionsNo sponsored rankingsPrices checked today

A.O. Smith · $120

ICEPURE WFS5300A · $50

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Compact Under-Sink Water Filters / Versus

What matters most to you?

Filter lifespan?

Preferred flow rate for the?

A.O. Smith

by A. O. Smith

$120Checked recently

Match score100%

Reverse OsmosisNSF/ANSI 421-2 Years

$119.99 on Amazon →

ICEPURE WFS5300A

by ICEPURE

$50Checked recently

Match score100%

Reverse OsmosisNSF/ANSI 42More than 2 Years

$49.99 on Amazon →

Head to head

A.O. SmithFeatureICEPURE WFS5300A

Carbon Block

Filtration system

Carbon Block

NSF/ANSI 42

Preferred certification for

NSF/ANSI 42

1-2 Years

Filter lifespan

More than 2 Years

Need a dedicated faucet with

1-2 GPM

Preferred flow rate for the

More than 2 GPM

Still deciding?

These are just 2 of 29+ products we evaluate in Compact Under-Sink Water Filters. Take our 60-second quiz to get a personalized recommendation across all of them.

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Key differences: A.O. Smith vs ICEPURE WFS5300A

Choosing between the A.O. Smith and the ICEPURE WFS5300A comes down to what matters most to you in a compact under-sink water filters. Filter lifespan affects maintenance frequency and cost. The A.O. Smith leans toward 1-2 years, while the ICEPURE WFS5300A offers more than 2 years.

Flow rate affects how quickly water is dispensed from the filter. The A.O. Smith leans toward 1-2 gpm, while the ICEPURE WFS5300A offers more than 2 gpm. The A.O. Smith stands out for users who value reverse osmosis and nsf/ansi 42 and 1-2 years.

Meanwhile, the ICEPURE WFS5300A is the stronger pick if reverse osmosis and nsf/ansi 42 and more than 2 years are your top priorities. Rather than declaring an absolute winner, we recommend using the interactive comparison above — your priorities determine which product scores higher.

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