Elkay WaterSentry 51300C Lead + Microplastics Filter - Bottle Filler

In this review the Elkay WaterSentry 51300C is assessed as a straightforward replacement filter for Elkay bottle filling stations and ezH2O Liv units. The bottom line: it is aimed at facilities and homeowners who need a certified, easy-to-replace cartridge that improves taste and reduces contaminants at the point of use. The single biggest reason to buy is the combination of testing to NSF/ANSI 42, 53 and 401 and the quick-disconnect, 1/4-turn installation with an automatic inlet shut-off valve that minimizes mess during service.

Key Features

• NSF/ANSI certified: Certified to standards 42, 53 and 401 for reduction of lead, microplastics, cysts and Class 1 particulates, plus improved chlorine taste and odor.
• Quick replacement: The cartridge uses a quick-disconnect, 1/4-turn fitting and an automatic inlet shut-off valve so swapping filters is fast and clean.
• Point-of-use filtration: Designed specifically for bottle fillers and ezH2O Liv stations to deliver filtered drinking water exactly where needed.
• Activated carbon media: Uses activated carbon to noticeably improve taste and odor while reducing certain contaminants.
• Service interval: Recommended replacement every 3,000 gallons or 1 year, making maintenance scheduling straightforward for facilities.

Who It's For

The Elkay WaterSentry 51300C is best for facility managers, schools, offices and homeowners who already have Elkay bottle filling stations or the ezH2O Liv and want certified contaminant reduction at the spout. It suits locations where easy, low-skill maintenance and a sealed cartridge are priorities.

Those who should look elsewhere include users with non-Elkay systems that require different fittings or those needing unusually long-life cartridges; some customers report mixed experiences with lifespan and the unit is intended as a periodic replacement rather than a lifetime solution.

Pros & Cons

Pros

• Certified reduction of lead, microplastics and common taste-and-odor issues for safer, better-tasting water.
• Quick-disconnect and 1/4-turn installation with an automatic shut-off valve makes replacement fast and clean.
• Self-contained cartridge design limits exposure to used media and simplifies disposal.

Cons

• Reported lifespan varies in customer feedback; while rated for 3,000 gallons, some users experienced shorter intervals in practice.
• Does not automatically reset indicator lights on all Elkay units, so manual reset may be required.

Specifications

Product type	Replacement bottle-filler filter
Certification	NSF/ANSI 42, 53 and 401
Reduces	Lead, microplastics, Class 1 particulates, cysts, chlorine taste and odor
Replacement interval	Every 3,000 gallons or 1 year
Installation	Quick-disconnect, 1/4-turn with automatic inlet shut-off valve
Compatibility	Elkay bottle filling stations and ezH2O Liv; pairs with EWF3000 kit

Our Verdict

The Elkay WaterSentry 51300C is a practical, certified replacement filter for Elkay bottle fillers that delivers tangible taste and contaminant reductions and is easy to service. It represents good value for locations that need point-of-use filtration and simple maintenance, though buyers should plan for routine replacements and be aware they may need to manually reset some unit indicators.

Frequently Asked Questions

How often should this filter be replaced?
Replace every 3,000 gallons or 1 year after installation, whichever comes first.

What contaminants does it reduce?
It is certified to reduce lead, microplastics, Class 1 particulates, cysts and chlorine taste and odor under NSF/ANSI 42, 53 and 401.

Will it work with any Elkay station?
It is designed for Elkay bottle filling stations and ezH2O Liv and can pair with the EWF3000 kit to upgrade other beverage systems or faucets.