This is a high-quality OEM filter designed for use with Whirlpool refrigerators that have an ice maker. It effectively filters out impurities from your water supply, ensuring that your ice is clean and fresh-tasting. Designed for easy installation, this filter will provide you with great-tasting ice for months to come.

It is compatible with the Whirlpool 4378411RB model, so you can be sure that it will fit your refrigerator perfectly. This filter is a must-have for anyone who wants to ensure that their ice is of the highest quality.