Description
Enjoy fresh, clean, and better-tasting water and ice with the Whirlpool 4378411RB Universal In-line Water Filter. This OEM-style filter installs on the 1/4-inch water line behind your refrigerator and is NSF Certified to reduce contaminants, ensuring your family gets high-quality water.
Features & Benefits
- Improves Taste & Odor: NSF Certified to significantly reduce the taste and odor of chlorine, as well as sediment and rust.
- Universal In-line Design: Installs externally on the 1/4-inch copper or plastic water supply line. It's compatible with most refrigerator brands that have an ice maker or water dispenser.
- Easy Installation: Features push-in fittings for a secure, leak-free connection. No special tools are required.
- Protects Appliance: Helps prevent scale buildup and protects the internal components of your ice maker and water valve. Replace every 6 months for best performance.
Common Symptoms That Indicate Replacement
- Water or ice has a bad taste or odor.
- The water dispenser flow is noticeably slow.
- The ice maker is producing small, hollow, or fewer ice cubes than normal.
- The "change filter" indicator light is on (if your fridge has one).
- It has been 6 months or more since the last filter change.
Universal Compatibility
This filter is not model-specific. It is a universal in-line filter designed to work with any refrigerator brand (including Whirlpool, KitchenAid, Maytag, Amana, Kenmore, and more) that uses a 1/4-inch water supply line for its ice maker and/or water dispenser.
Cross-Reference / Replaces
This part is a direct replacement for the following part numbers: 4378411RB, 4378411, 4378411P, 4378442, 4210359, 4210508, 4210573, 8004, 8212652, 18001001, 14200105, AP3134042, AP4415498, PS388190, PS2351893, EAP388190, WF270
Compatibility Note
Please unplug the refrigerator and shut off the water supply before installation. This filter connects to the 1/4-inch water line and is typically located on the wall behind the appliance or under a nearby sink. Please verify your appliance uses this type of external filter before ordering.