4378411RB - Genuine OEM Whirlpool In-Line Refrigerator Ice & Water Filter Kit, 4378411Rb

4378411RB – Genuine OEM Whirlpool In-Line Refrigerator Ice & Water Filter Kit 

Improve the taste, smell, and quality of your drinking water and ice with the 4378411RB Genuine OEM Whirlpool In-Line Refrigerator Ice & Water Filter Kit, now available at Appliance Kingdom. Designed to reduce contaminants such as chlorine, sediment, and unpleasant odors, this OEM filter kit ensures your family enjoys cleaner, fresher water straight from your refrigerator.

This universal in-line water filter is ideal for refrigerators without a built-in filtration system and is compatible with Whirlpool, KitchenAid, Maytag, Jenn-Air, Amana, Kenmore, and other brands. Whether you’re installing it for the first time or replacing an existing filter, this kit includes everything you need for a fast, secure setup.

Ensure Clean, Great-Tasting Water and Ice

The 4378411RB in-line refrigerator water filter attaches directly to the water supply line feeding your fridge’s dispenser or ice maker. By filtering out impurities before they reach your appliance, it helps extend the life of your refrigerator and ensures every glass of water and every cube of ice meets high-quality standards.

Key Signs You Need a New Water Filter

• Water tastes or smells off

• Decreased ice quality or cloudiness in cubes

• Sediment visible in water or ice

• 6 months have passed since your last filter replacement

Key Features & Benefits

• Genuine OEM Whirlpool Part – Trusted quality and performance designed to work with your refrigerator.

• Universal Fit – Works with most major brands and models, even those without internal filtration.

• NSF-Certified Filtration – Reduces chlorine, odor, and particulates for cleaner water and ice.

• Complete Installation Kit – Includes 1/4" compression fittings and installation hardware for quick DIY setup.

• Long-Lasting Performance – Filters up to 1,500 gallons or lasts up to 6 months.

• Improves Appliance Life – Protects ice makers and dispensers by filtering out harmful particles.