Pairs of Sentry H2O portable system replacement filters shown in standard and premium versions
PORTABLE SYSTEM REPLACEMENT FILTERS
PORTABLE SYSTEM REPLACEMENT FILTERS
PORTABLE SYSTEM REPLACEMENT FILTERS

Vendor:Sentry H2O

PORTABLE SYSTEM REPLACEMENT FILTERS

$120.00

Maintain the quality of water from your Sentry Portable Wellness System with these replacement filter sets. Choose between standard filters suitable for pre-treated or city water, and premium filters designed for higher contamination levels including bacteria and PFAS.

  • Available in two options: Standard (ToxyGuard & AlkaGuard) and Premium (BioChemGuard & AlkaGuard)
  • Recommended annual filter replacement
  • Compatible only with the Sentry Portable Wellness System (sold separately)
Standard or Premium?
Standard or Premium?: Standard: ToxyGuard & AlkaGuard Filters

Choose your filter based on water source

Standard or Premium Replacement Filters

Filter Options and Compatibility

Exact Filter Details & Fit

Variant Options
Standard - ToxyGuard & AlkaGuard Filters
Premium - BioChemGuard & AlkaGuard Filters
Compatibility
Sentry Portable Wellness System only
Filter Change
Recommended every 12 months
Intended Water Types
Standard for treated/city water, Premium for high contamination
Included
Filter pairs per selected variant

What arrives

Two filters per selected set (Standard or Premium)

Designed for Sentry Portable System

Compatibility

Replace existing filters in the Sentry Portable Wellness System according to manufacturer instructions

Shipping and Return Details

Shipping & Returns

Shipping

Shipping rates and estimated delivery provided at checkout per supplier policy

Returns

30 day returns without label or restocking fees as per supplier terms
Pairs of Sentry H2O portable system replacement filters shown in standard and premium versions

Keep the ritual flowing

Simple, annual upkeep for water you trust—at home, on the road, wherever the day takes you.

Quiet assurance

Fresh start, every fill

Two paths, same clarity

Water is personal, yet sources change—from a city tap to a campsite spigot.
The Sentry Portable System Replacement Filters meet both moments with a choice: STANDARD for pre-treated, city-supplied water, or PREMIUM for sources with higher biological and chemical concerns like bacteria, viruses, and PFAS.
A yearly swap keeps the routine easy and the taste consistent.

A glass you don’t second-guess

When the filter question is settled, kitchens feel calmer and travel bags pack lighter.
STANDARD pairs ToxyGuard with AlkaGuard; PREMIUM upgrades to BioChemGuard with AlkaGuard for added confidence in tougher conditions.
One quiet change, once a year, and the day moves on.

For the ones who carry their water standards

People using the Sentry Portable Wellness System who want a straightforward, once-a-year refresh tailored to their water source.

Swap and sip

Choose STANDARD or PREMIUM to match your water source, install both filters in the Sentry Portable Wellness System, and replace them annually.
Sentry H2O brand cover

Brand Background

About Sentry H2O

When our family moved to Arizona, we faced two unappealing choices for clean water: expensive, wasteful bottled water or bulky reverse‑osmosis systems that strip minerals. Determined to have affordable, toxin‑free, mineral‑enriched water at the sink, we designed the Sentry Wellness System and the under‑sink replacement filters made exclusively for it. Sentry Replacement Filters use high‑quality, rigorously tested filtration media and are engineered to last up to 12 months of regular use. Installation is straightforward, and the team now recommends and installs systems for customers around Tempe, AZ. If you want reliable, better‑tasting tap water without the compromises of bottled or RO setups, these filters are a practical, homeowner‑friendly solution.
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Customer Questions

Frequently Asked Questions

Which set should I choose: STANDARD or PREMIUM?
Use STANDARD (ToxyGuard + AlkaGuard) for pre-treated or city-supplied water.
Choose PREMIUM (BioChemGuard + AlkaGuard) for sources with higher biological and chemical contamination concerns, including bacteria, viruses, and PFAS.
How often do these need to be replaced?
Replace the filters every 12 months for best results.
Do these include the Sentry Portable Wellness System?
No.
These are replacement filters only; the Sentry Portable Wellness System is sold separately.
Are both filters included in each set?
Yes.
Each set is a pair designed to be used together in the Sentry Portable Wellness System.
Can I use the filters with other systems?
They are made for the Sentry Portable Wellness System and should be used with that system only.