Sentry Shower Filter installed on a chrome shower arm against white tiles (styled image)

Sentry Shower Filter on a pale stone surface (styled image)

Sentry H2O

Sentry Shower Filter

Shower filter from Sentry H2O for a standard ½-inch shower arm. Takes the Sentry replacement filter, changed once a year for one 10-minute shower a day, or every 6 months for two or more showers a day. Ships from Tempe, Arizona.

$99.00 USD

Fit: Standard ½-inch shower arm; needs about 5 in wide × 12 in tall of space

Replacement: Sentry Shower Replacement Filter, $45.00 USD

Check compatibility · Get help with fit

Delivery: ships from Sentry H2O in Tempe, AZ, usually within 2 business days, with tracking by email. Free standard US shipping; taxes are calculated at checkout.

Returns: within 30 days if unused and in original condition; you pay return shipping, which isn't refunded (Sentry). Email us first and we'll arrange it. Returns policy

Why we chose it

Sentry H2O ships it from Tempe, Arizona, and sells the matching replacement filter, so the once-a-year change is easy to plan.

What is included

Sentry hasn't shared a full list of box contents with us yet. Contact us and we'll confirm what's in the box before you order.

Will it fit my shower?

Sentry says the system fits a standard ½-inch shower arm pipe and needs about 5 in wide × 12 in tall of space around it.
Rated for 3,000 gallons at 1.5 gallons per minute (Sentry).

Get help with fit

Filtration details

Sentry H2O hasn't shared model-specific test results with us, so we don't list filtration claims for this model.

Installation & care

Sentry says it installs in minutes, with no tools and no plumber. The unit is large and heavy when full of water, so check you have about 5 × 12 in of space. Contact us and we'll send Sentry's installation instructions.

Replacement guidance

Sentry recommends replacing the filter once a year for one 10-minute shower a day, or every 6 months for two or more showers a day. The matching part is the Sentry Shower Replacement Filter (CP-SFR).

Sentry Shower Replacement Filter, $45.00 USD

Specifications

Brand: Sentry H2O
SKU: CP-SF
Connection: Standard ½-inch shower arm (Sentry)
Space needed: About 5 in wide × 12 in tall
Capacity: 3,000 gallons at 1.5 gpm (Sentry)
Replacement part: Sentry Shower Replacement Filter (CP-SFR)
Replacement interval: Yearly for one shower a day; every 6 months for two or more (Sentry)
Ships from: Sentry H2O, Tempe, AZ, United States