Will it fit my shower?

It uses a standard 1/2-inch thread and fits most fixed shower arms. Check your arm's thread before buying.

How often do I replace the cartridge?

StoneStream rates it for up to 10,000 gallons, about six months. Heavy use or hard water shortens that.

Does it really soften water?

It reduces some hardness effects and chlorine, but it is not a whole-home softener. Very hard water will still leave scale.

Is $22.48 a good price?

That is the best new price across the two stores listing it as of November 6, 2026. Cartridges are the ongoing cost.

The filter housing and one filter cartridge. No shower head or tools are included.

Does it work with a handheld shower head?

Yes, if the head uses a standard 1/2-inch connection. Install the filter between the arm and the hose.

Where is the StoneStream EcoPower Filter Water cheapest?

At Stone Stream, for $34.99, as of our latest check.

What do buyers say about the StoneStream EcoPower Filter Water?

Rated 4.8 out of 5 from 515 ratings.

Where can I buy the StoneStream EcoPower Filter Water?

2 stores we checked sell it, including Stone Stream, eBay.

StoneStream EcoPower Filter Water

Best price now

$34.99at Stone StreamObserved at 10:33 AM

Prices are checked against each store and labelled with when.

Visit Stone Stream

StoneStream EcoPower Filter Water

Best price now

$34.99at Stone StreamObserved at 10:33 AM

Prices are checked against each store and labelled with when.

Visit Stone Stream

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Our take on the StoneStream EcoPower Filter Water

The StoneStream EcoPower is an inline shower filter that screws onto a standard 1/2-inch shower arm and claims 15-stage filtration at a 2.0 GPM flow rate. It softens water and targets chlorine, dirt and impurities, with a cartridge rated for up to 10,000 gallons, or about six months. Its best new price is $22.48 at eBay as of November 6, 2026, with two stores listing it new.

Best forRenters who can't change plumbingHard-water householdsChlorine-sensitive skin and hairAnyone wanting a cheap filter upgrade

Pros

Installs on any standard 1/2-inch shower arm
15-stage cartridge rated up to 10,000 gallons
Automatic replacement indicator
2.0 GPM flow keeps pressure reasonable
Low entry price at $22.48 at eBay

Cons

Not WaterSense certified, so flow and efficiency are unverified
No independent lab data on the 15 stages
Housing is plastic ABS, not metal
Cartridge needs replacing roughly every six months

StoneStream EcoPower Filter Water prices at every store

Stone StreamNew
In stock
$34.99Observed at 10:33 AM
Visit store

Also available at

eBayCheck price at eBay

StoneStream EcoPower Filter Water price history

Lowest price we've seen: $34.99 on Nov 6 at Stone Stream. Tracked across 1 store since Nov 6.

What reviewers say

4.8 / 5515 ratings

Buyers rate it highly, at 4.8 out of 5 from 515 ratings, and most praise easier installation and softer-feeling water. Complaints center on the plastic build and on how long the cartridge actually lasts.

What people mention

InstallationPraisedOwners say it screws onto a standard shower arm in minutes with no tools.
Water softnessPraisedMany report less chalky residue and softer-feeling water.
BuildCriticisedSome find the ABS plastic housing light and less durable than expected.
Cartridge lifeMixedSome get the claimed six months; others say it clogs sooner.
FlowMixedPressure is fine at first, but a loaded cartridge can cut flow.

Specifications

Contaminant Type: Impurities, Bacteria, Chlorine, Dirt, Harmful substances
Filter Type: 15-stage filtration
Flow Rate: 2.0 GPM
Primary Treatment: Filtration
Filter Life: Up to 10,000 gallons of water, Approximately 6 months
Quantity: 1
Number Of Stages: 15

Questions and answers

Will it fit my shower?: It uses a standard 1/2-inch thread and fits most fixed shower arms. Check your arm's thread before buying.
How often do I replace the cartridge?: StoneStream rates it for up to 10,000 gallons, about six months. Heavy use or hard water shortens that.
Does it really soften water?: It reduces some hardness effects and chlorine, but it is not a whole-home softener. Very hard water will still leave scale.
Is $22.48 a good price?: That is the best new price across the two stores listing it as of November 6, 2026. Cartridges are the ongoing cost.
What's in the box?: The filter housing and one filter cartridge. No shower head or tools are included.
Does it work with a handheld shower head?: Yes, if the head uses a standard 1/2-inch connection. Install the filter between the arm and the hose.
Where is the StoneStream EcoPower Filter Water cheapest?: At Stone Stream, for $34.99, as of our latest check.
What do buyers say about the StoneStream EcoPower Filter Water?: Rated 4.8 out of 5 from 515 ratings.
Where can I buy the StoneStream EcoPower Filter Water?: 2 stores we checked sell it, including Stone Stream, eBay.

Filtration Stages

Multi-stage process

Included Components

Filter, Filter cartridge

Reverse Osmosis

No

Water Hardness Reduction

Softens water

Water Softener

Yes

WaterSense Certified

No

Replacement Filter

Replacement Cartridge

Replacement Indicator

Yes (Automatic notification)

Compatible With

Any standard shower head

Connection Type

1/2 inch thread

System Type

Shower filter

Dimensions

4.7 inches (H) x 3.3 inches (Max Diameter) (Housing Dimensions)

Shower Head Type

Fixed wall shower head

Color

Chrome, Black

Material

High-impact ABS housing

Style

Modern