Grey mesh ToxyGuard and clear AlkaGuard Sentry H2O replacement filters side-by-side on white background

Black dual-filter housing with orange arrows showing insertion points for standard replacement filters

Close-up of black diamond-mesh BioChemGuard paired with clear-cased AlkaGuard premium filter set

Graphic showing BioChemGuard and AlkaGuard filters aligning with black dual-chamber housing unit

Sentry H2O

Sentry H2O Replacement Filters for Portable Wellness System

$120.00

483 in stock

Standard or Premium?:

Standard: ToxyGuard & AlkaGuard Filters Premium: BioChemGuard & AlkaGuard Filters

Variant

For questions about this product, feel free to call our team at 949-773-2212 and we’ll be happy to assist you.

Return and Refund Policy

Sentry H2O Replacement Filters for Portable Wellness System

$120.00

Protect your water quality and maintain your Portable Wellness System with a set of Sentry H2O replacement filters. Available in two filter sets, based on your water source:

STANDARD: ToxyGuard & AlkaGuard Filters for pre-treated or city-supplied water
PREMIUM: BioChemGuard & AlkaGuard Filters for water sources with higher than average biological and chemical contamination (bacteria, viruses, PFAS, etc.)

We recommend changing your filters every year for optimal performance.

Portable replacement filters only; Sentry Portable Wellness System sold separately.