MARRIOTTO Water Filter Replacement for Pure Source Ultra II - 4 Count

In this review the MARRIOTTO EPTWFU01 replacement filter is assessed for home refrigerator use; it is best for households seeking a budget-friendly, easy-to-install option that maintains water quality between factory cartridges. The biggest reason to buy is simple: it uses advanced coconut shell carbon in a BPA-free housing to deliver reliable filtration and a precise, leak-free fit for systems compatible with EWF02 and Pure Source Ultra II. Installers report straightforward swaps and steady performance, making it a practical choice for routine maintenance.

Key Features

• Premium Materials: The filter uses advanced coconut shell carbon and food-grade, BPA-free components to reduce contaminants while meeting safety certifications for household use.
• Leak-free Design: A 3D multi-dimensional design and precise measurements help ensure a secure seal, minimizing drip and leak risks in refrigerators.
• Tool-free Replacement: The cartridge installs without tools, so most users can change it quickly during a routine fridge maintenance task.
• Recommended Life: For consistent performance the manufacturer recommends replacing the filter every 6 months or after about 200 gallons of water.
• Wide Compatibility: Designed to work with EWF02 and Pure Source Ultra II systems and a long list of compatible refrigerator model codes for flexible use.

Who It's For

The MARRIOTTO filter is suited to families and individuals who want a cost-effective replacement that matches original equipment form factor and filtration media, especially those looking for a second filtration stage in a refrigerator. DIY-minded homeowners who prefer a quick, tool-free swap will appreciate the ease of installation and the leak-prevention design.

It is less well suited to users who require specialized contaminant-targeted cartridges (for example, very high chemical loads or medical-grade purification) or who need verified removal rates for a specific contaminant not listed by the manufacturer. Those buyers should seek lab-certified, application-specific filters.

Pros & Cons

Pros

• Uses coconut shell carbon and BPA-free materials for safer, neutral-tasting water in many households.
• Precise, 3D-designed housing reduces the chance of leaks and alignment issues during installation.
• Easy, tool-free replacement that saves time and often money compared with factory-only cartridges.
• Good value as a 4 count pack for regular 6-month replacement cycles.

Cons

• Some users report mixed taste results; water taste may vary by source water and expectations.
• Specification details on exact contaminant removal rates are not provided in the product description.

Specifications

Our Verdict

The MARRIOTTO replacement filter is a solid, value-oriented choice for most refrigerator water filtration needs where a form-fit replacement is required. It combines food-grade construction, coconut shell carbon media, and a leak-resistant design that makes routine upkeep simple. For buyers seeking a dependable, easy-to-install 4 pack to keep water tasting neutral and to maintain equipment, this filter represents good value; those needing certified removal of specific contaminants should verify performance for their application.

Frequently Asked Questions

How often should this filter be replaced?
Replace every 6 months or after filtering 200 gallons for optimal performance and water quality.

Is this filter compatible with my refrigerator?
It is compatible with EWF02, Pure Source Ultra II systems and the long list of model codes included in the product description; check your refrigerator model code against that list.

Is installation difficult?
No, installation is tool-free and designed for quick replacement with a precise, leak-resistant fit.